Best Managed Security Services Providers (MSSPs) - Page 18

How Many Managed Security Services Providers (MSSPs) Products Does G2 Track?

Total Products under this Category: 370

Category Stats (Oct 2026)

  • Average Rating: 4.59/5 (↑0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: TierPoint (+0.4%) - Among all products in this category, TierPoint recorded the largest rating increase compared to last month

Last updated: October 23, 2026

How Does G2 Rank Managed Security Services Providers (MSSPs) Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,000+ Authentic Reviews
  • 370+ 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.

G2 Grid® for Managed Security Services Providers (MSSPs)

G2 Grid® for Managed Security Services Providers (MSSPs) plotting products by satisfaction and market presence

Highlighted products: SHI, ThreatSpike, Antarex, Rhymetec, Armour Cybersecurity, Check Point Infinity Global Services, Akamai Technologies Services, and Sophos Professional Services.

Underlying data: [Grid® JSON](https://www.g2.com/categories/managed-security-services-mssp/grids.json?focus%5B%5D=shi&focus%5B%5D=threatspike&focus%5B%5D=antarex&focus%5B%5D=rhymetec&focus%5B%5D=armour-cybersecurity&focus%5B%5D=check-point-infinity-global-services&focus%5B%5D=akamai-technologies-services&focus%5B%5D=sophos-professional-services)

Mosaic 451

We protect and maintain critical infrastructure for Energy, Finance, Education and the U.S. Government.

Who Is the Company Behind Mosaic 451?

MSSP

Managed Security Service is a completely outsourced security solution for organizations. We offer a highly trained SecOps team equipped with threat intelligence and incident response capabilities to carefully monitor and manage the cybersecurity environment of your organization 24/7 by patching, upgrades, modifications, and other necessary maintenance.

Who Is the Company Behind MSSP?

MTI

Managed Threat Intelligence or “MTI” Powered by Vertek, is a complete plug-in, actionable threat monitoring solution that puts enterprise-class security visibility and compliance reporting within easy reach of IT/ Compliance owners who need to do more with less. We provide organizations with continuous threat information and simplify regulatory compliance without having to buy, deploy, and manage multiple technology products and retain a staff of security analysts.

Who Is the Company Behind MTI?

  • Seller: Vertek
  • Year Founded: 1988
  • HQ Location: Burlington, Vermont, United States
  • Twitter: @Vertek
    95 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    80 employees on LinkedIn®

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NCC Group

NCC Group provides Cybersecurity, Risk Management, Governance and Compliance services. Understanding the impact and what you can do to make your organization more resilient is key to protecting brand, reputation and sensitive customer information. Building a cyber-resilient organization can be a complex process but it’s not impossible. Through an unrivaled suite of services, we provide organizations with peace of mind that their most important assets are protected, available and operating as they should be at all times. With our knowledge, experience and global footprint, we are best placed to help businesses identify, assess, mitigate & respond to the risks they face. Services include: Mobile/Application Security, Governance & Regulatory, Risk Management, Strategic Infrastructure Security, Cryptography Services, Security Training, Security Defense Operations, and Managed Security Services.

Average Rating: 4.3/5.0

Total Reviews: 4

Who Is the Company Behind NCC Group?

  • Seller: NCC Group
  • Year Founded: 1999
  • HQ Location: Manchester, GB
  • Twitter: @NCCGroupplc
    9,662 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,325 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 25% Medium

What Are Recent G2 Reviews of NCC Group?

Nebosystems

Nebosystems is an IT solutions company founded in 2011. We specialize in building and maintaining both physical and virtual (private and public clouds) IT infrastructure. We provide services in the field of cybersecurity, DevOps, IT audit, server colocation, automation of activities related to system and network administration. We ensure technical compliance of IT infrastructure and information systems with industry standards, laws, European directives and regulations. As an ISO 9001:2015 and ISO/IEC 27001:2022 certified organization, we adhere to the highest standards of quality management and information security. These certifications reflect our commitment to delivering reliable, secure and high-quality solutions tailored to our clients’ needs. We also hold a wide range of internationally recognized certifications, including Certified Chief Information Security Officer (CCISO), ISO 27001 Lead Auditor, Certified Ethical Hacker (CEH) and many more. Our goal is to help businesses from any sector leverage innovative technologies and industry standards in their daily work. By applying an individual approach to each customer, we aim to achieve the optimal result and enable our clients to operate more efficiently and securely in today’s digital landscape.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Nebosystems?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Nebosystems?

NephoSec

NephoSec is a global premier Cloud security service provider focused on safeguarding modern cloud infrastructures across leading platforms such as AWS, Azure, and Google Cloud. We partner with and service the most advanced Cloud Security Tools on the market including Wiz, Rapid7’s InsightCloudSec (ICS), and more. We accelerate your Cloud-Native Application Protection Platform (CNAPP) adoption program, fortifying your cloud infrastructure & gaining a competitive advantage, optimizing operational efficiency in today’s ever-evolving Cloud security landscape. With over 35+ years of combined experience in CSPM (Cloud Security Posture Management) and CNAPP (Cloud-Native Application Protection Platform) technologies, NephoSec's engineering team brings deep technical expertise and strategic insights. They are recognized & certified leaders in the deployment and configuration of the Wiz and InsightCloudSec Cloud Security Platforms. Their engagements are “hands-on-keyboard,” delivering measurable, accountable outcomes for clients. NephoSec’s core offerings span a wide range of focus areas, including: ● Cloud compliance frameworks tailored to customer requirements ● Tagging strategy to be implemented across all Cloud accounts and resources ● Complex Threat Detection/Cloud Configuration Rules - Rego Construction & Testing ● Complex Custom Automation Playbooks ● Cloud Cost Optimization ● Advanced email notification solutions ● Custom Security Graph Queries ● Implementation of IaC Scanning / WizCLI / WizCode ● Roadmap recommendations for future phase of ICS Bots / Wiz Automations for additional auto remediations Their expertise also extends to training workshops to help clients operationalize cloud security tools effectively: ● 101 Basics for your specific Cloud Security Platform ● Cloud compliance frameworks ● Tagging strategies ● Cost optimization ● Reporting ● Automation strategies More than just implementing tools, NephoSec ensures organizations establish robust visibility and reporting structures, choose the right compliance frameworks, and develop sustainable rollout plans for long-term cloud security success. Their holistic approach tackles vulnerabilities, misconfigurations, toxic risk combinations, and data exposure—every critical facet of a secure cloud landscape. Learn more at www.nephosec.com.

Who Is the Company Behind NephoSec?

  • Seller: NephoSec
  • Year Founded: 2017
  • HQ Location: Cincinnati, US
  • Twitter: @nephosec
    58 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Net at Work

Unleashing the Power of Business Performance Net at Work helps small and mid-sized businesses modernize operations, improve performance, and unlock measurable value from technology. With deep experience across finance, operations, IT, customer engagement, employee experience, and industry-specific business processes, we understand how software, systems, and people need to work together. Our role is to help clients solve complex business challenges with practical guidance, modern solutions, and long-term support. We are problem-solvers and promise-keepers. Those are the principles Net at Work was built on, and they remain at the center of how we help clients move forward with confidence. Our products and services include: ERP and Business Management: Acumatica, Sage Intacct, Sage X3, Sage 100, Sage 300, Sage 500, and NetSuite CRM: Creatio, Sage CRM, Employee Experience: Rippling, Sage HRMS, WorkforceGo Managed IT & Cybersecurity: Cloud hosting, infrastructure support, cybersecurity, help desk services, and managed IT services Advisory and Consulting Services: IT consulting, Fractional CIO/CTO services, AI advisory, business process consulting, and system optimization Industry Solutions: Technology solutions and advisory services for industries including construction, distribution, manufacturing, nonprofit, healthcare, senior living, professional services, and more.

Average Rating: 4.6/5.0

Total Reviews: 23

Who Is the Company Behind Net at Work?

  • Seller: Net at Work
  • Company Website:
  • Year Founded: 1996
  • HQ Location: New York, US
  • Twitter: @NetatWork_corp
    2,842 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    758 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 52% Small, 43% Medium

What Are Recent G2 Reviews of Net at Work?

Netrust

Established in 1997, Netrust is Asia’s first Public Certification Authority (CA) and the only Accredited CA in Singapore. Netrust provides individuals, business and government organizations with a complete online identification and security infrastructure to enable secure electronic transactions. Besides certificate provisioning, Netrust delivers high quality professional services including security consulting, PKI deployment and custom application development. As a testament to the streamlined business and operational process within Netrust, the Controller of CA (IDA) awarded the CA License (now Accreditation) to Netrust in June 2001. As an Accredited CA, parties relying on Netrust certificates enjoy the benefits of evidentiary presumption and users are assured of the legality and security of their transactions.

Who Is the Company Behind Netrust?

  • Seller: Netrust
  • Year Founded: 1997
  • HQ Location: Singapore, SG
  • LinkedIn® Page: www.linkedin.com
    66 employees on LinkedIn®

Nettitude

Founded in 2003, Nettitude is an award-winning provider of cybersecurity services, bringing innovative thought leadership to the ever-evolving cybersecurity marketplace. Leveraging our tenacious curiosity, we aim to operate at the forefront of the industry. Through our research and innovation centres, Nettitude provides threat led services that span technical assurance, consulting and managed detection and response offerings. We are driven by a desire to build and deliver the best cybersecurity propositions in the industry and stay abreast of the evolving legislative and regulatory cybersecurity landscape. This helps our clients to prioritise their cybersecurity risks, enabling them to focus on the activities that are core to their business. We aim to empower our clients, imparting knowledge, advice and assistance to help them deploy changes in behaviour, understanding, and where appropriate, culture. This methodology is at the core of our services, helping provide pragmatic cyber security for industries such as Finance & Banking, IT, Technology and Engineering, Maritime, Offshore, Retail, Healthcare, Manufacturing and Critical National Infrastructure.

Average Rating: 3.5/5.0

Total Reviews: 1

Who Is the Company Behind Nettitude?

  • Seller: Nettitude
  • Year Founded: 2003
  • HQ Location: Birmingham, England, United Kingdom
  • LinkedIn® Page: www.linkedin.com
    3,014 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

Network Access Control

Network Access Control (NAC) is a security solution that helps organizations protect their networks from unauthorized access by enforcing policies and ensuring that devices meet certain security requirements before granting access. NAC solutions can be used to control access to wired and wireless networks, virtual private networks (VPNs), and remote access systems. At its core, NAC is designed to prevent unauthorized access to a network by identifying and authenticating users and devices, and enforcing security policies to ensure that only authorized users and devices are granted access. NAC solutions can also monitor and manage network traffic to identify potential security threats and prevent data breaches.

Who Is the Company Behind Network Access Control?

Network Security

Security & Compliance services are becoming more crucial in the ever-evolving digital world. They are your insurance to secure, trustworthy, and reliable business operations meeting all the relevant regulations. The need for security and compliance services is increasing. All businesses, regardless of their size or industry, need to ensure that they are operating within the legal frameworks and regulations set by the government and other institutions.

Who Is the Company Behind Network Security?

Neurosoft

Neurosoft is a managed services provider offering cybersecurity, technology, and field services. Its services include network and infrastructure solutions, cloud transformation, security operations, digital forensics, red teaming, systems integration, equipment deployment, and ongoing technical support to help organizations improve security, operational efficiency, and business resilience

Who Is the Company Behind Neurosoft?

  • Seller: Neurosoft
  • Year Founded: 1994
  • HQ Location: Iraklio, Athens
  • LinkedIn® Page: www.linkedin.com
    332 employees on LinkedIn®
  • Ownership: NRST.MI
  • Total Revenue (USD mm): $13

Nexagate

CyberSecurity-As-a-Service

Who Is the Company Behind Nexagate?

  • Seller: Nexagate
  • Year Founded: 2010
  • HQ Location: KL Eco City , MY
  • LinkedIn® Page: www.linkedin.com
    102 employees on LinkedIn®

nexenet

Imagine having an entire IT department ready to support you, without the cost and hassle of in-house staff. That’s what we bring to your business: a dedicated, remote team of IT experts committed to ensuring your technology runs smoothly and efficiently. Our mission is simple – to keep your operations moving forward with reliable, human-centered tech support, so you can focus on what you do best.

Who Is the Company Behind nexenet?

Next Perimeter

As a leader in cloud-first cybersecurity, Next Perimeter protects businesses from modern threats, whether in the office or remote. Our Zero Trust architecture and SaaS posture management delivers a secure, optimized endpoint experience without the need for servers or office space. Our SASE network as a service replaces traditional VPNs with an always on, secure connection, ensuring high-speed, reliable network security across the globe. Specializing in holistic threat detection and response, we safeguard your digital assets with cutting-edge AI-powered solutions. Join us in transforming cybersecurity with 24/7 protection and an unparalleled user experience.

Who Is the Company Behind Next Perimeter?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 12, 2026