# Best Penetration Testing Services *By [Lauren Worth](https://research.g2.com/insights/author/lauren-worth)* Penetration testing services providers help businesses uncover vulnerabilities within their computer systems, networks, and applications. They are managed service providers that help companies by exposing defects and known security vulnerabilities and testing the security of their communication channels and integrations. They perform this by simulating cyberattacks that target known vulnerabilities and general application components in an attempt to breach core systems, which helps detect exploitable vulnerabilities. They may also use several open-source intelligence (OSINT) tools. The service providers document these potential vulnerabilities and report them to the clients. Some service providers may also offer assistance to remediate the vulnerabilities and further perform retesting. [Penetration testing software](https://www.g2.com/categories/penetration-testing), the software counterpart of penetration testing services providers, lets users perform penetration testing and gather intelligence on potential known security vulnerabilities. Businesses can deploy penetration testing software in lieu of or in addition to penetration testing services to maximize security awareness and protection. Penetration testing services go hand in hand with [vulnerability assessment services providers](https://www.g2.com/categories/vulnerability-assessment-services), [incident response services provicers](https://www.g2.com/categories/incident-response-services), and [threat intelligence services providers](https://www.g2.com/categories/threat-intelligence-services). [Cybersecurity consulting providers](https://www.g2.com/categories/cybersecurity-consulting) may also often provide manual penetration testing as part of their services. To qualify for inclusion in the Penetration Testing Services category, a services provider must: - Provide access to penetration testers - Perform different types of penetration testing, including black box testing, white box testing, and gray box testing - Document exploitable vulnerabilities and report them to clients - Provide recommendations to improve the client’s security architecture ## Category Overview **Total Products under this Category:** 257 ## Trust & Credibility Stats **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 800+ Authentic Reviews - 257+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. --- **Sponsored** ### Insight Assurance Insight Assurance is a global cybersecurity and compliance firm that supports organizations across industries in navigating complex regulatory frameworks with clarity and confidence. Our team brings extensive experience from top public accounting firms—including Big 4 backgrounds—to deliver high-quality audit and advisory services aligned with SOC 2, ISO 27001, PCI DSS, HITRUST, and other industry standards. We serve startups, large enterprises, and public sector entities with a flexible, collaborative approach that emphasizes risk awareness, operational integrity, and long-term resilience. As an independent third-party, we are committed to helping organizations meet their compliance responsibilities without compromising on quality or trust. Delivering Quality, Assuring Trust. 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[PlutoSec](https://www.g2.com/products/plutosec/reviews) PlutoSec is a Canadian-based cybersecurity company that specializes in offensive security services, specifically designed to help organizations identify vulnerabilities and assess risks within their digital environments. The company focuses on penetration testing for various platforms, including web applications, APIs, cloud infrastructure, networks, and operating systems. By simulating real-world attacks, PlutoSec enables businesses to understand their security posture and take proactive measures to safeguard their critical digital assets. Targeting a diverse range of industries, including healthcare, finance, real estate, and technology, PlutoSec caters to organizations that prioritize cybersecurity and compliance. The services offered are particularly beneficial for businesses that handle sensitive data or operate within regulated environments. By leveraging industry standards such as the OWASP Top 10, NIST SP 800-115, and MITRE ATT&CK, PlutoSec ensures that its assessments are thorough and aligned with best practices in cybersecurity. One of the key features of PlutoSec's offerings is its comprehensive penetration testing services. These tests are designed to uncover vulnerabilities that could be exploited by malicious actors, providing organizations with a clear understanding of their security weaknesses. Following each assessment, clients receive detailed reports that outline the findings and provide actionable recommendations for remediation. This approach not only helps organizations to address immediate security concerns but also fosters a culture of continuous improvement in their cybersecurity practices. In addition to penetration testing, PlutoSec offers ongoing security advisory services to support organizations in maintaining a robust security posture. This includes guidance on compliance requirements, risk management strategies, and the implementation of security best practices. By partnering with PlutoSec, clients gain access to expert insights and support that can enhance their overall security framework and resilience against cyber threats. Overall, PlutoSec stands out in the cybersecurity landscape by combining technical expertise with a client-centric approach. The company’s commitment to delivering high-quality services, detailed reporting, and continuous support positions it as a trusted partner for organizations seeking to enhance their cybersecurity defenses and ensure compliance with industry standards. **Average Rating:** 5.0/5.0 **Total Reviews:** 47 **Seller Details:** - **Seller:** [PlutoSec](https://www.g2.com/sellers/plutosec) - **Year Founded:** 2019 - **HQ Location:** Toronto, CA - **LinkedIn® Page:** https://www.linkedin.com/company/pluto-security-ltd (20 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Health, Wellness and Fitness, Hospitality - **Company Size:** 74% Mid-Market, 17% Enterprise ### 2. [CyStack Security Services](https://www.g2.com/products/cystack-security-services/reviews) CyStack Security Services is a set of solutions to help businesses manage their digital security. We offer a clear way to check, fix and watch over a company's security to keep data and systems safe. Our services are for all kinds of businesses, from small startups to big companies, that need help with security. The main goal is to protect a business, stop data leaks, and meet industry standards. CyStack offers its services through two distinct models, each tailored to specific business needs: Security Assessment Consulting: - What it is: A one-time project to check your systems for weak points. - How it helps: You get a simple report with clear steps to improve your security. - Value: It helps you find and fix problems before they become a bigger issue. Managed Security Services (MSSP): - What it is: Ongoing, 24/7 security monitoring. - How it helps: A team of experts watches for threats and responds fast. - Value: It lowers the risk of cyberattacks and limits damage when an incident happens. No matter if you need a quick check or full-time protection, CyStack gives you the tools and support to secure your business and help it grow. **Average Rating:** 4.9/5.0 **Total Reviews:** 22 **Seller Details:** - **Seller:** [CyStack](https://www.g2.com/sellers/cystack) - **Company Website:** https://cystack.net/ - **Year Founded:** 2017 - **HQ Location:** Hanoi, VN - **LinkedIn® Page:** https://www.linkedin.com/company/cystackcorp/ (46 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Information Technology and Services - **Company Size:** 45% Small-Business, 32% Mid-Market ### 3. [Insight Assurance](https://www.g2.com/products/insight-assurance/reviews) Insight Assurance is a global cybersecurity and compliance firm that supports organizations across industries in navigating complex regulatory frameworks with clarity and confidence. Our team brings extensive experience from top public accounting firms—including Big 4 backgrounds—to deliver high-quality audit and advisory services aligned with SOC 2, ISO 27001, PCI DSS, HITRUST, and other industry standards. We serve startups, large enterprises, and public sector entities with a flexible, collaborative approach that emphasizes risk awareness, operational integrity, and long-term resilience. As an independent third-party, we are committed to helping organizations meet their compliance responsibilities without compromising on quality or trust. Delivering Quality, Assuring Trust. **Average Rating:** 4.8/5.0 **Total Reviews:** 126 **Seller Details:** - **Seller:** [Insight Assurance](https://www.g2.com/sellers/insight-assurance) - **Company Website:** https://insightassurance.com/ - **Year Founded:** 2020 - **HQ Location:** Tampa, FL - **LinkedIn® Page:** https://www.linkedin.com/company/insight-assurance (171 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 51% Small-Business, 33% Mid-Market ### 4. [Vumetric Cybersecurity](https://www.g2.com/products/vumetric-cybersecurity/reviews) Vumetric is an ISO9001-certified boutique provider entirely dedicated to penetration testing, with more than 15 years of experience in the industry. Our methodologies are proven and our understanding of cybersecurity risks is extensive, allowing us to provide clear advice to our clients that is pragmatic, adapted to their needs and efficient in securing against the latest security threats. We bring proven best practices to every project and have delivered our services across five continents. Our clients include Fortune 1000, SMEs and government agencies. Our goal is to provide best-in-class cybersecurity assessment services to help organizations protect themselves from ever-changing cyber threats. We aim to become leaders in our industry by promoting standards and best practices, as well as raising awareness about cyber risks that impact modern organizations. **Average Rating:** 4.8/5.0 **Total Reviews:** 20 **Seller Details:** - **Seller:** [Telus](https://www.g2.com/sellers/telus) - **Company Website:** https://www.telus.com/ - **Year Founded:** 1990 - **HQ Location:** Vancouver, CA - **Twitter:** @TELUS (120,886 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/telus (37,202 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 50% Small-Business, 40% Mid-Market ### 5. [ThreatSpike](https://www.g2.com/products/threatspike/reviews) ThreatSpike is the world's first AI-managed IT and security platform, replacing the legacy MSP model entirely. Delivered as a single fixed-price subscription, ThreatSpike manages and defends the entire technology estate; combining fully managed IT, complete defensive security and unlimited offensive security testing in one platform, run by one team, at one predictable price. As the first company to operate as both technology vendor and service provider simultaneously, ThreatSpike ships fixes directly into the platform the moment problems are found so that every customer benefits immediately, at no extra charge. Agentic AI runs through every layer of operations, proactively identifying issues, driving faster resolution and continuously improving every environment it manages. ThreatSpike serves 400+ customers across 90+ countries and is headquartered in the UK, certified to ISO 27001, PCI-DSS and CREST standards. **Average Rating:** 4.9/5.0 **Total Reviews:** 32 **Seller Details:** - **Seller:** [ThreatSpike Labs](https://www.g2.com/sellers/threatspike-labs) - **Company Website:** https://www.threatspike.com/ - **Year Founded:** 2011 - **HQ Location:** London - **Twitter:** @threatspikelabs (174 Twitter followers) - **LinkedIn® Page:** https://uk.linkedin.com/company/threatspike-labs (71 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Hospitality - **Company Size:** 38% Mid-Market, 28% Small-Business ### 6. [CyberFortify](https://www.g2.com/products/cyberfortify/reviews) CyberFortify is a cybersecurity firm specializing in customized security services to protect businesses from evolving threats. It offers services like penetration testing, vulnerability assessments, compliance audits, and social engineering simulations. CyberFortify's mission is to empower businesses with cutting-edge security strategies that anticipate, prevent, and combat cyber threats, ensuring the protection of data, systems, and reputation. **Average Rating:** 4.8/5.0 **Total Reviews:** 17 **Seller Details:** - **Seller:** [cyberfortify](https://www.g2.com/sellers/cyberfortify) - **Year Founded:** 2024 - **HQ Location:** Manama, BH - **LinkedIn® Page:** https://www.linkedin.com/company/cyberfority/ (10 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Computer Software - **Company Size:** 71% Small-Business ### 7. [Packetlabs](https://www.g2.com/products/packetlabs-ltd-packetlabs/reviews) Most penetration tests stop at automated vulnerability scans and a few exploit attempts. We don't. Packetlabs is CREST-accredited and SOC 2 Type II attested, demonstrating our commitment to security excellence. We deliver impact-first penetration testing that reveals what others miss, no outsourcing, no egos, and zero false positives. Our team goes well beyond industry standards to find the real risks and demonstrate business impact. Ready for more than a VA scan?® 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗖𝗮𝘁𝗲𝗴𝗼𝗿𝗶𝗲𝘀 𝗜𝗻𝗰𝗹𝘂𝗱𝗲: Penetration Testing (Infrastructure Penetration Testing; Cloud Penetration Testing; Attack Surface Penetration Testing; IoT Penetration Testing), Application Penetration Testing (Web App Penetration Testing; API Penetration Testing; Mobile Penetration Testing; AI/LLM Penetration Testing; Thick Client Penetration Testing), Adversary Simulation (Red Teaming; Purple Teaming; Social Engineering; Assumed Breach Penetration Testing); and Security Assessments (Cyber Maturity Assessments; OT Cybersecurity Assessments; Benchmark Audits; and Dark Web Assessments.) **Average Rating:** 4.9/5.0 **Total Reviews:** 25 **Seller Details:** - **Seller:** [Packetlabs Ltd.](https://www.g2.com/sellers/packetlabs-ltd) - **Company Website:** https://www.packetlabs.net/ - **Year Founded:** 2011 - **HQ Location:** Toronto, Ontario, Canada - **Twitter:** @pktlabs (338 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/packetlabs-ltd-/ (64 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Financial Services - **Company Size:** 48% Mid-Market, 36% Small-Business ### 8. [ioSENTRIX](https://www.g2.com/products/iosentrix/reviews) ioSENTRIX is a cybersecurity services company specializing in penetration testing, Penetration Testing as a Service (PTaaS), application security, red teaming, and compliance assessments. Founded in 2017 and headquartered in Herndon, Virginia, ioSENTRIX serves enterprises, startups, fintech companies, healthcare organizations, and government agencies with continuous, on-demand security testing that combines AI-augmented scanning with expert-led manual testing. ioSENTRIX offers over 50 types of penetration tests spanning web applications, mobile apps, APIs, SaaS platforms, cloud infrastructure (AWS, Azure, GCP), IoT and ICS/SCADA systems, thick client applications, and internal and external networks. The company's hybrid testing methodology uses AI-driven automation for speed and coverage alongside CREST-accredited, OSCP-certified penetration testers who perform deep manual testing for business logic flaws, chained attack paths, and real-world exploitation scenarios. The company's PTaaS platform provides two flexible engagement models: subscription-based plans for organizations requiring continuous testing throughout the year, and credit-based plans that allow teams to allocate testing credits across multiple assets on demand. Both models include real-time results delivery, retesting capabilities, DevOps and CI/CD pipeline integration, and audit-ready reporting aligned with SOC 2, ISO 27001, PCI DSS, HIPAA, and FedRAMP compliance frameworks. Beyond penetration testing, ioSENTRIX provides application security services including DAST, SAST, and IAST assessments, secure SDLC consulting, and OWASP Top 10 remediation guidance. The company also offers AI and LLM security testing for organizations deploying generative AI applications, covering prompt injection, model manipulation, data leakage, and alignment with the OWASP Top 10 for Large Language Models. Additional services include red team engagements, social engineering assessments, vCISO (Virtual CISO) advisory, Application Security as a Service (ASaaS), and cybersecurity staff augmentation. ioSENTRIX is CREST-accredited for penetration testing services, a designation earned through rigorous evaluation of the company's testing methodologies, quality assurance processes, and professional standards. The company's founder, Omair Manzoor, brings over 14 years of cybersecurity experience from leadership roles at Amazon Lab126, Cigital (now Synopsys), and Tellabs. He is a published security researcher whose exploits are integrated into industry-standard frameworks including Metasploit and Immunity Canvas, and has delivered security briefings to the Department of Defense (DOD) and CISA. ioSENTRIX delivers audit-ready penetration testing reports compatible with compliance platforms including Drata and Vanta, and aligned with Big 4 auditing standards. The company's client portfolio spans Fortune 500 enterprises, financial institutions, SaaS companies, healthcare providers, and high-growth startups requiring investor-ready security validation. All engagements include detailed remediation guidance, executive summaries, and free retesting to verify that identified vulnerabilities have been properly addressed. **Average Rating:** 4.9/5.0 **Total Reviews:** 11 **Seller Details:** - **Seller:** [ioSENTRIX](https://www.g2.com/sellers/iosentrix) - **Company Website:** https://iosentrix.com - **Year Founded:** 2017 - **HQ Location:** Herndon, US - **LinkedIn® Page:** https://www.linkedin.com/company/iosentrix (15 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 36% Enterprise, 27% Mid-Market ### 9. [Appsecco](https://www.g2.com/products/appsecco/reviews) Use Appsecco to hack your products before attackers do. Our PenTest as a Service (PTaaS) is built for cloud hosted product teams who need product security beyond compliance. You are a fit for us - If you have customers who will use their VAPT to test your claims of product security - If you are building in a regulated industry where basic compliance driven VAPT falls short The best way to ensure your product’s security is to let us hack it like real world attackers would. Our Service is unique. We focus on plugging the true gaps, your product is safe from real world attackers letting you focus on building and shipping. Testing that is far beyond simplistic compliance checklists, bug bounty and automated scanners which lack context​ using the same techniques used by sophisticated hackers. **Average Rating:** 4.8/5.0 **Total Reviews:** 14 **Seller Details:** - **Seller:** [Appsecco Ltd](https://www.g2.com/sellers/appsecco-ltd) - **Year Founded:** 2013 - **HQ Location:** Dover, Delaware - **Twitter:** @appseccouk (1,930 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/appsecco/ (7 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 36% Mid-Market, 29% Small-Business ### 10. [Red Sentry](https://www.g2.com/products/red-sentry-2025-07-21/reviews) Red Sentry is a penetration testing and offensive security services solution that helps organizations identify, validate, and remediate real cybersecurity vulnerabilities through expert-led testing. Red Sentry operates in the cybersecurity and information security services category and is designed for organizations that need to assess the effectiveness of their security controls beyond automated vulnerability scanning. The service is commonly used by security teams, IT leaders, compliance managers, and engineering teams to evaluate applications, APIs, cloud infrastructure, and internal or external networks. Penetration testing engagements are performed by experienced ethical hackers who simulate real-world attack scenarios to determine whether vulnerabilities can be exploited in practice. Automation is used to support test execution, coordination, and reporting, while human expertise is responsible for attack logic, validation, and risk assessment. This approach helps organizations distinguish theoretical issues from exploitable security gaps. Red Sentry is frequently used to support security assurance, third-party risk management, and regulatory or contractual requirements. The service aligns with common security frameworks and standards such as OWASP and NIST and is often used in preparation for or in support of compliance efforts including SOC 2, ISO 27001, HIPAA, PCI-DSS, and FDA cybersecurity expectations. The solution is applicable across industries such as SaaS, financial services, healthcare, education, and professional services, particularly for organizations that manage sensitive data or operate in regulated environments. Key capabilities and characteristics include: · Human-led penetration testing across web applications, APIs, cloud environments, and networks · Validation of vulnerabilities through real attack simulation rather than automated scanning alone · Structured reporting with severity ratings, evidence of exploitation, and remediation guidance · Support for compliance-driven penetration testing and audit preparation · A penetration testing as a service (PTaaS) delivery model that standardizes engagement workflows Red Sentry helps organizations understand their true security exposure, prioritize remediation efforts, and document security testing results for internal stakeholders, customers, and auditors. By focusing on exploitability and real-world risk, the service supports informed decision-making around security investments and risk management. **Average Rating:** 4.8/5.0 **Total Reviews:** 18 **Seller Details:** - **Seller:** [Red Sentry](https://www.g2.com/sellers/red-sentry) - **Year Founded:** 2020 - **HQ Location:** Atlanta, US - **Twitter:** @redsentry_tech (2,046 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/redsentry/ (30 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 37% Small-Business, 32% Mid-Market #### Pros & Cons **Pros:** - Pentesting Efficiency (5 reviews) - Vulnerability Detection (5 reviews) - Efficiency (3 reviews) - Guidance (3 reviews) - Simple (3 reviews) **Cons:** - Limited Customization (2 reviews) - Limited Scope (2 reviews) - Complexity (1 reviews) - False Positives (1 reviews) - Lack of Integration (1 reviews) ### 11. [Stingrai Inc.](https://www.g2.com/products/stingrai-inc/reviews) Stingrai helps companies prevent breaches by simulating real-world attacks through penetration testing. You can choose a traditional annual, compliance-driven pentest or upgrade to continuous penetration testing, where every code change, feature update, and release is tested in real time against real-world attack techniques. Unlike once-a-year testing, continuous pentesting secures your environment year-round for an affordable fixed annual fee. Powered by our worldclass white-hat hackers and PTaaS platform, ensuring your defenses evolve alongside emerging threats. → Network Penetration Testing → Web and API Penetration Testing → Mock Phishing Security Assessment → Active Directory Security Assessment → Wi-Fi Security Assessment → Physical Perimeter Security Assessment Our Penetration Testing as a Service (PTaaS) platform empowers engineering and security teams to track vulnerabilities, seamlessly integrate with existing ticketing systems, and collaborate with our expert white-hat hackers to close security gaps continuously. **Average Rating:** 4.9/5.0 **Total Reviews:** 9 **Seller Details:** - **Seller:** [Stingrai](https://www.g2.com/sellers/stingrai) - **Year Founded:** 2021 - **HQ Location:** Toronto, CA - **LinkedIn® Page:** https://www.linkedin.com/company/stingrai/ (10 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 56% Small-Business, 11% Mid-Market ### 12. [Vynox Security](https://www.g2.com/products/vynox-security/reviews) Vynox Security is a next-generation cybersecurity partner helping organizations protect digital assets, achieve compliance faster, and strengthen customer trust. We deliver deep, manual-first security assessments enhanced by artificial intelligence to uncover, validate, and prioritize the vulnerabilities that automated scanners miss. Our core expertise lies in Vulnerability Assessment and Penetration Testing (VAPT) across web, mobile, cloud, API, and network environments. Every engagement combines automated coverage with expert manual exploitation and business-logic analysis to reveal real-world risk, not false positives. Findings are translated into clear remediation guidance and mapped to frameworks such as ISO 27001, SOC 2, PCI DSS, and GDPR. Each engagement ends with an audit-ready report and a complimentary retest cycle to verify closure. Vynox goes beyond testing. Through its Virtual CISO (vCISO) and Governance, Risk & Compliance (GRC-as-a-Service) programs, the company provides strategic oversight, policy development, and continuous control monitoring that keep clients compliant and resilient year-round. Core Services • Manual-first + AI-assisted Penetration Testing (Web, Mobile, Cloud, Network) • API and Source-Code Security Review • Cloud Security Posture Assessment (AWS, Azure, GCP) • Virtual CISO Advisory and Security Program Development • Governance, Risk & Compliance (GRCaaS) • Executive and Technical Reporting with Retest Validation Why Teams Choose Vynox • Manual depth with AI efficiency for maximum coverage • Compliance-aligned outputs that simplify audits • Agile delivery and direct access to senior analysts • End-to-end security visibility from testing to governance Vynox Security transforms penetration testing from a checkbox exercise into a continuous, measurable business advantage, helping companies ship secure products, clear audits confidently, and maintain lasting resilience in a constantly evolving threat landscape. **Average Rating:** 4.6/5.0 **Total Reviews:** 9 **Seller Details:** - **Seller:** [Vynox Security](https://www.g2.com/sellers/vynox-security) - **Year Founded:** 2023 - **HQ Location:** Pune, IN - **LinkedIn® Page:** http://linkedin.com/company/vynoxsecurity/ (10 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Computer Software - **Company Size:** 78% Small-Business, 22% Mid-Market ### 13. [Cybri](https://www.g2.com/products/cybri/reviews) Founded in 2017 in New York City, CYBRI provides Penetration Testing as a Service (PTaaS), helping organizations identify and remediate vulnerabilities across web applications, cloud, and network environments. We deliver auditor-ready reports supporting SOC 2, ISO 27001, NYDFS, HIPAA, and GDPR compliance. **Average Rating:** 4.9/5.0 **Total Reviews:** 10 **Seller Details:** - **Seller:** [CYBRI](https://www.g2.com/sellers/cybri) - **Year Founded:** 2017 - **HQ Location:** New York, US - **LinkedIn® Page:** https://www.linkedin.com/company/cybri/ (11 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Computer Software - **Company Size:** 60% Mid-Market, 40% Small-Business ### 14. [CrowdStrike Security Services](https://www.g2.com/products/crowdstrike-security-services/reviews) CrowdStrike Services, including Incident Response (IR), Strategic Advisory Services and Technical Advisory Services, play a crucial role in helping organizations mature their security postures and stop breaches. CrowdStrike IR Services are designed to enable organizations to quickly and effectively respond to any cybersecurity incident, ensuring you get back to business faster. CrowdStrike also offers an array of strategic advisory services and technical advisory services to help customers better understand the depth and maturity of their existing cybersecurity practices. With a CrowdStrike Services Retainer in place you will be best prepared to react quickly and effectively to a cybersecurity incident and also benefit from CrowdStrike proactive services. **Average Rating:** 4.9/5.0 **Total Reviews:** 7 **Seller Details:** - **Seller:** [CrowdStrike](https://www.g2.com/sellers/crowdstrike) - **Year Founded:** 2011 - **HQ Location:** Sunnyvale, CA - **Twitter:** @CrowdStrike (110,215 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/2497653/ (11,258 employees on LinkedIn®) - **Ownership:** NASDAQ: CRWD **Reviewer Demographics:** - **Company Size:** 57% Mid-Market, 29% Enterprise ### 15. [Framework Security](https://www.g2.com/products/framework-security/reviews) Framework Security is an award-winning cybersecurity firm specializing in penetration testing, AI governance, virtual CISO services, SOC 2 compliance, and full-spectrum security program development. We help organizations identify vulnerabilities, eliminate threats, and build robust security programs through a combination of expert-led assessments and automation. Our team is vendor-agnostic, highly experienced, and trusted by clients ranging from growth-stage tech companies to regulated enterprises. Recognized by industry leaders like Gartner, Clutch, and AWS Marketplace, FWS is committed to delivering tailored, transparent, and results-driven cybersecurity solutions that align with your business goals. **Average Rating:** 5.0/5.0 **Total Reviews:** 15 **Seller Details:** - **Seller:** [Framework Security](https://www.g2.com/sellers/framework-security) - **Year Founded:** 2019 - **HQ Location:** Austin, TX. - **Twitter:** @FrameworkSec (92 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/frameworksec/ (8 employees on LinkedIn®) **Reviewer Demographics:** - **Top Industries:** Information Technology and Services - **Company Size:** 53% Small-Business, 47% Mid-Market ### 16. [StickmanCyber](https://www.g2.com/products/stickmancyber/reviews) StickmanCyber provides Cybersecurity As a Service to help you achieve your cybersecurity goals quickly, efficiently. Started almost 2 decades ago in Sydney in 2006, we began delivering a number of security programs of work including a large PCI DSS program for Energy Australia and since then, have grown to one of Australia's most trusted and respected Cyber Security firms. In 2020, we became a member of the NSW Government Cybersecurity Taskforce. We are also a member of the Australian Cyber Security Centre. Today, we service over 200 mid-tier and ASX-listed companies, providing them with comprehensive cyber security solutions tailored to their individual needs. **Average Rating:** 4.5/5.0 **Total Reviews:** 9 **Seller Details:** - **Seller:** [StickmanCyber](https://www.g2.com/sellers/stickmancyber) - **Year Founded:** 2006 - **HQ Location:** Macquarie Park, AU - **LinkedIn® Page:** https://www.linkedin.com/company/stickmancyber (62 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 56% Small-Business, 44% Mid-Market ### 17. [OnSecurity Services](https://www.g2.com/products/onsecurity-services/reviews) Introducing Scan by OnSecurity. Continuous external vulnerability scanning and management of your Internet-facing assets. Try for free now! **Average Rating:** 5.0/5.0 **Total Reviews:** 6 **Seller Details:** - **Seller:** [On Security](https://www.g2.com/sellers/on-security) - **Year Founded:** 2018 - **HQ Location:** Bristol, GB - **Twitter:** @weareonsecurity (1,343 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/onsecurity (53 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 50% Mid-Market, 50% Small-Business ### 18. [Sekurno](https://www.g2.com/products/sekurno/reviews) Sekurno is a cybersecurity company that provides security services beyond mere compliance. As a globally recognised top cybersecurity company, we are dedicated to enhancing the current state of security in the business environment as well as implementing best engineering practices. We possess wide experience in cybersecurity and our professional industry-recognized certifications prove our expertise. Sekurno provides the following services: • Penetration Testing • Compliance (SOC2, ISO27001, GDPR, DORA, HIPAA, etc.) • S-SDLC (DevSecOps, Application Security, Code Review) • Security Awareness Training **Average Rating:** 5.0/5.0 **Total Reviews:** 5 **Seller Details:** - **Seller:** [Sekurno](https://www.g2.com/sellers/sekurno) - **Year Founded:** 2019 - **HQ Location:** Tallinn, EE - **LinkedIn® Page:** https://www.linkedin.com/company/sekurno (11 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 100% Small-Business ### 19. [ThinkSys](https://www.g2.com/products/thinksys/reviews) ThinkSys is the trusted QA partner for SaaS companies needing reliable quality without slowing down development. We combine experienced QA engineers, proven frameworks, and AI-augmented testing, all backed by our Zero Critical Bugs Guarantee. **Average Rating:** 5.0/5.0 **Total Reviews:** 35 **Seller Details:** - **Seller:** [ThinkSys](https://www.g2.com/sellers/thinksys) - **Year Founded:** 2012 - **HQ Location:** Sunnyvale, US - **Twitter:** @thinksysinc (4,416 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/thinksys-inc/ (442 employees on LinkedIn®) **Reviewer Demographics:** - **Who Uses This:** CEO, Chief Executive Officer - **Company Size:** 40% Mid-Market, 40% Small-Business ### 20. [UnderDefense](https://www.g2.com/products/underdefense/reviews) UnderDefense is the Security-as-a-Service solution your organization needs to prevent cyber threats and meet compliance requirements at a lower cost. With 45+ native integrations, the platform easily integrates with existing SIEM, Cloud, and EDR platforms, and automates security operations to prevent breaches, monitors security 24/7, and eliminates alert fatigue by filtering false-positive alerts. With UnderDefense, your organization gains unprecedented visibility of your environment, enabling you to easily find even the smallest suspicious activity and stop overnight attacks. Plus, our transparent pricing allows you to optimize your security costs. Try UnderDefense today for free and take advantage of our platform's superpowers. **Average Rating:** 5.0/5.0 **Total Reviews:** 5 **Seller Details:** - **Seller:** [UnderDefense](https://www.g2.com/sellers/underdefense) - **Year Founded:** 2017 - **HQ Location:** New York, NY - **Twitter:** @underdefense (154 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/underdefense-llc (134 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 80% Mid-Market, 20% Small-Business ### 21. [GRSee Consulting](https://www.g2.com/products/grsee-consulting/reviews) Cybersecurity compliance you can confidently show your clients. GRSee is a cybersecurity and compliance services firm that helps organizations achieve, maintain, and operationalize security certifications without the complexity and guesswork typically associated with audits. We provide end-to-end support across frameworks such as SOC 2, ISO 27001, PCI DSS, GDPR, HIPAA, CMMC, and NIST, combining audit services, penetration testing (web, API, cloud, mobile, and AI systems), and ongoing security programs like vCISO and DevSecOps. GRSee delivers a hands-on, white-glove experience. Clients work directly with experienced security professionals who understand real-world architectures and risks, not generic auditors following rigid templates. From initial readiness through certification and continuous compliance, GRSee acts as an extension of your team, providing clear guidance, structured processes, and proactive support to ensure there are no surprises, delays, or unnecessary rework. The result is more than just a certification. Organizations leave the process with a security posture they understand, controls that reflect how they actually operate, and the confidence to share their compliance program with customers, partners, and stakeholders as a true trust signal, not just a checkbox. Organizations choose GRSee when they want clarity, speed, and confidence that their security program is both audit-ready and business-ready. **Average Rating:** 4.9/5.0 **Total Reviews:** 14 **Seller Details:** - **Seller:** [GRSee Consulting](https://www.g2.com/sellers/grsee-consulting) - **Year Founded:** 2009 - **HQ Location:** El Dorado Hills, US - **LinkedIn® Page:** https://www.linkedin.com/company/grsee-consulting/ (52 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 71% Mid-Market, 14% Enterprise ### 22. [Prescient Security](https://www.g2.com/products/prescient-security/reviews) Prescient Security is a renowned leader in multi-framework compliance auditing, security assessments, and penetration testing, eliminating compliance gaps and enabling a fortified security stance for organizations. Using a Risk-Based Audit Approach versus a Requirement-Based Audit Approach, paired with the ability to customize audit deliverables based on specific client needs, Prescient Security operates from a cybersecurity standpoint first, is comprehensive yet granular, and in a fraction of the time. **Average Rating:** 4.8/5.0 **Total Reviews:** 17 **Seller Details:** - **Seller:** [Prescient Security](https://www.g2.com/sellers/prescient-security) - **Year Founded:** 2018 - **HQ Location:** Salmon , US - **LinkedIn® Page:** https://www.linkedin.com/company/prescientsecurity (283 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 53% Small-Business, 16% Mid-Market ### 23. [Biz Serve IT](https://www.g2.com/products/biz-serve-it/reviews) Our sole objective in establishing Biz Serve IT was to become the most reliable ally in safeguarding the industry against cyber attacks. With a dedicated group of cybersecurity experts, we aim to help you enhance compliance, address talent gaps, and ensure that your organization remains under the radar, allowing you to concentrate on your core priorities. **Average Rating:** 4.8/5.0 **Total Reviews:** 6 **Seller Details:** - **Seller:** [BSIT (Biz Serve IT)](https://www.g2.com/sellers/bsit-biz-serve-it) - **Year Founded:** 2014 - **HQ Location:** Lalitpur, NP - **LinkedIn® Page:** https://www.linkedin.com/company/bsit-io/ (18 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 50% Mid-Market, 50% Small-Business ### 24. [Echelon Risk + Cyber](https://www.g2.com/products/echelon-risk-cyber/reviews) Echelon Risk + Cyber is a cybersecurity professional services firm built on the belief that security and privacy are basic human rights. Protecting them requires more than tools or checklists. It requires focus, expertise, and a deep understanding of how risk impacts real businesses. Cybersecurity, privacy, and technology risk continue to evolve and create meaningful disruption across industries. Echelon was built to address those challenges head-on. We partner with organizations that want honest guidance, clear priorities, and security programs that actually work in practice. What We Do Echelon partners with organizations to design, build, operate, and mature cybersecurity and compliance programs aligned to business goals, regulatory requirements, and real-world risk. We take the time to understand each organization’s environment, constraints, and risk tolerance, then deliver practical solutions that drive measurable improvement. We do not believe trust is built through fear or complexity. It is built through transparency, accountability, and consistent execution. Core Services vCISO-Led Security Team as a Service Strategic security leadership and execution delivered by experienced vCISOs and practitioners who operate as an extension of your team. This includes governance, roadmap development, risk management, and day-to-day security leadership. Offensive Security and Adversary Simulation Real-world testing designed to identify gaps before attackers do. Services include penetration testing, red teaming, purple teaming, and adversary simulation tailored to your threat landscape. Defensive Security and Hardening Hands-on defensive services focused on reducing attack surface and improving resilience. This includes cloud security, identity and access management, endpoint protection, vulnerability management, and security architecture hardening. Risk Advisory and GRC Governance, risk, and compliance services that help organizations build, scale, and sustain security programs. Echelon supports frameworks and regulations including SOC 2, ISO 27001, NIST, HIPAA, GDPR, and CMMC. Managed Security Services Ongoing monitoring, advisory support, and operational security services designed to complement internal teams and provide consistent protection as organizations grow. Who We Work With and Partner With Echelon works with publicly traded and privately held organizations across industries, including renewable energy companies like Montauk Renewables and high-profile professional sports organizations such as the Detroit Pistons. We also partner with leading cybersecurity and compliance technology providers including Drata and CrowdStrike to help clients operationalize security and compliance at scale. From mid-sized organizations to enterprise leaders, Echelon is trusted to deliver forward-thinking, actionable cybersecurity programs that strengthen resilience, reduce risk, and support long-term business objectives. Why Organizations Choose Echelon Clients choose Echelon for a human-led, execution-focused approach to cybersecurity. Our teams combine deep technical expertise with business context to deliver outcomes, not just reports. We tailor every engagement to the organization’s environment and risk profile. We prioritize practical improvements over theoretical perfection. And we remain accountable long after assessments are complete. **Average Rating:** 5.0/5.0 **Total Reviews:** 6 **Seller Details:** - **Seller:** [Echelon Risk + Cyber](https://www.g2.com/sellers/echelon-risk-cyber) - **Company Website:** https://echeloncyber.com/ - **Year Founded:** 2021 - **HQ Location:** Pittsburgh, US - **LinkedIn® Page:** https://www.linkedin.com/company/echelon-risk-cyber (65 employees on LinkedIn®) - **Ownership:** Private **Reviewer Demographics:** - **Company Size:** 50% Mid-Market, 33% Small-Business ### 25. [ITECS Outsourcing](https://www.g2.com/products/itecs-outsourcing/reviews) Since 2002, ITECS has provided customized turn-key services to a variety of high-profile clients, including Frito Lay, Pizza Hut, Miller Brewing, Kraft, and more. We scale our services to any business size and offer rapid on-site and remote IT support, cybersecurity, consulting, and cloud hosting solutions. Our dedicated team of agents is capable of meeting the demands of your business no matter what industry you're in. At ITECS, we treat every client interaction as an opportunity to improve our reputation and grow together. ITECS is a unique technology solutions provider that sets itself apart from its competitors by offering a personalized and flexible approach to IT services. Unlike traditional help desk models, ITECS assigns a pod of experts to each client to establish a more personal and collaborative relationship. This allows for a deeper understanding of the client's business needs and challenges, leading to tailored solutions that align with their goals. ITECS also offers scalable services that can grow alongside businesses, providing a wide range of technologies and services that meet their unique requirements. By offering this customized and adaptable approach, ITECS stands out as a reliable partner for businesses looking to enhance their technological capabilities. **Average Rating:** 4.9/5.0 **Total Reviews:** 11 **Seller Details:** - **Seller:** [ITECS](https://www.g2.com/sellers/itecs) - **Year Founded:** 2002 - **HQ Location:** Plano TX - **LinkedIn® Page:** https://www.linkedin.com/company/itecsonline/?viewAsMember=true (14 employees on LinkedIn®) **Reviewer Demographics:** - **Company Size:** 64% Small-Business, 36% Mid-Market #### Pros & Cons **Pros:** - Customer Support (1 reviews) - Professionalism (1 reviews) **Cons:** - Expensive (1 reviews) ## Parent Category [Security and Privacy Services Providers](https://www.g2.com/categories/security-and-privacy-services) ## Related Categories - [Cybersecurity Consulting Services](https://www.g2.com/categories/cybersecurity-consulting) - [Application Security Services Providers](https://www.g2.com/categories/application-security-services) - [IT Compliance Services Providers](https://www.g2.com/categories/it-compliance-services) - [Managed Security Services Providers (MSSPs)](https://www.g2.com/categories/managed-security-services-mssp) - [Vulnerability Assessment Services Providers](https://www.g2.com/categories/vulnerability-assessment-services) - [Data Privacy Services Providers](https://www.g2.com/categories/data-privacy-services)