Best Managed SIEM Services Providers - Page 2

How Many Managed SIEM Services Providers Products Does G2 Track?

Total Products under this Category: 60

Category Stats (Oct 2026)

  • Average Rating: 4.57/5 (↑0.04 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Corsica Technologies (+0.18%) - Among all products in this category, Corsica Technologies recorded the largest rating increase compared to last month

Last updated: October 26, 2026

How Does G2 Rank Managed SIEM Services Providers Products?

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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.

Clearnetwork

Clearnetwork is a comprehensive cyber security service in which Clearnetwork Security Analysts use advanced technology including AI to collect data on, analyze, and respond to threats on your network, hosts and cloud.

Who Is the Company Behind Clearnetwork?

Clone Systems Managed Security (24/7 SOC)

Clone Systems provides fully managed, 24/7 security operations from a US-based SOC, with no hardware to buy and services live in days. Managed SOC: around-the-clock monitoring, expert investigation and coordinated response, with AI alert triage backed by human analysts. Managed SIEM and EDR: log collection, correlation and endpoint detection in one platform, with 24/7 response by Clone Systems analysts. Managed Intrusion Prevention: real-time blocking of network attacks, monitored around the clock by our SOC. AI SIEM and SOC as a Service: private AI alert triage that prioritizes, enriches and investigates alerts so analysts act faster. Clone Systems has delivered managed security since 1998 and has been a PCI Approved Scanning Vendor since 2007, so security monitoring, PCI scanning, vulnerability scanning and penetration testing can all come from one team.

Who Is the Company Behind Clone Systems Managed Security (24/7 SOC)?

  • Seller: Clone Systems
  • Year Founded: 1998
  • HQ Location: Philadelphia, US
  • Twitter: @CloneSystemsInc
  • LinkedIn® Page: www.linkedin.com
    20 employees on LinkedIn®

Cloud4C Services

Cloud4C, named a Visionary in the 2021 Gartner Magic Quadrant for Public Cloud IT Transformation Services is the world’s leading automation-driven, application-focused Cloud Managed Services Provider (MSP). As one of the global leaders in multi-cloud migration and managed services, we support native and hybrid cloud environments with multi-availability zones, offering four-way disaster recovery architecture at zero data loss guarantee, military-grade security under a single SLA. Whatever cloud solution an enterprise is looking for, we can deploy it in their existing operational landscape – and transform the way they work. Cloud4C’s managed service processes adhere to best industry standards such as ITIL and COBIT using our proprietary Self-Healing Operations Platform (SHOP), an automation platform driving industry-leading services delivered through multiple products, garnering the best NPS scores from clients. We command presence across 25 countries in the Americas, Europe, Middle East, Africa, and APAC and serve 4000+ global enterprises. These enterprises include 60 Fortune 500 companies and 80+ enterprises with over $1Bn revenue. Cloud4C is a pioneer in offering advanced IT evolution solutions with a Collaborative Integration delivery Model - A perfect collaborative alliance of people, systems, business structures, and practices customized to optimize results, increase value delivered to you, reduce waste, and maximize efficiency through all phases of plan, design, development, and management. We engage through an award-winning Hybrid Managed Services approach that pools in resources on-demand from 25 Centers of Excellence based on a firm’s needs and objectives, walking all the way through from transformation strategy blueprinting, deployment, management, support, and end business outcome delivery. As certified Azure, GCP, AWS, and Oracle Cloud partners, Cloud4C promises seamless, cost-effective digital transformation on public/private/hybrid/multi-cloud set-ups

Who Is the Company Behind Cloud4C Services?

  • Seller: Cloud4C Services
  • HQ Location: Singapore, SG
  • Twitter: @Cloud4Cservices
    420 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,518 employees on LinkedIn®

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Content Security

With Content Security's Managed Security Information and Event Management (Managed SIEM) services, you gain access to a tailored operational model that integrates our security and intelligence capabilities with your own SIEM solution. This combination helps you achieve a increased level of security monitoring and analytics that can scale with your future security needs.

Who Is the Company Behind Content Security?

  • Seller: Content Security
  • Year Founded: 2000
  • HQ Location: North Ryde, AU
  • Twitter: @ContentSecAU
    356 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    23 employees on LinkedIn®

Corporate Technologies, Inc

CTI has provided critical data analytics, data protection and cyber security solutions essential for the complex business of leveraging IT innovation while reducing risk. Life Sciences, Health Care, Financial Services, Retail and Higher Education organizations from 50 to 50,000 employees depend on CTI for industry expertise, solutions, leadership, and managed services.

Who Is the Company Behind Corporate Technologies, Inc?

Corserva

Corserva is a leading provider of IT services, such as managed IT services, IT lifecycle management, managed security, IT assessments, and business continuity. We differentiate our offerings through the breadth and depth of our services, combined with the expertise of our certified engineers.

Who Is the Company Behind Corserva?

  • Seller: Corserva
  • Year Founded: 1985
  • HQ Location: Trumbull, US
  • Twitter: @Corserva
    71 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    48 employees on LinkedIn®

What Are G2 Users Discussing About Corserva?

CyberDuo

CyberDuo is a leading IT and Cybersecurity consultant based in Los Angeles. We make businesses more productive at the same time protecting them from external and internal cyber threats. Our services include Managed IT and Managed Security services, Cloud Computing and Compliance. In the world of IT, Cybersecurity became one of the challenging parts and that's the area we're extremely passioned about. Secure IT is what CyberDuo stands for.

Average Rating: 4.9/5.0

Total Reviews: 9

Who Is the Company Behind CyberDuo?

  • Seller: CyberDuo
  • Year Founded: 2010
  • HQ Location: Los Angeles, California
  • Twitter: @cyber2o
    80 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    31 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 78% Medium, 67% Small

What Are Recent G2 Reviews of CyberDuo?

What Are G2 Users Discussing About CyberDuo?

CyberSecOp

Cybercriminals never stop trying to access your secure systems and your most sensitive customer data. To maximize your cybersecurity, your company should employ 24/7 security operations on guard around the clock. CyberSecOp’s Security Operations Center (SOC) as a Service provides unparalleled cyber security coverage that monitors, detects, and responds to threats so you can rest assured that your information is safe. In the event of an incident, our On-demand Managed Detection and Response Services.

Average Rating: 5.0/5.0

Total Reviews: 10

Who Is the Company Behind CyberSecOp?

  • Seller: CyberSecOp
  • Year Founded: 2008
  • HQ Location: Stamford, US
  • Twitter: @cybersecop
    1,117 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    21 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Co-Founder
  • Company Size: 100% Small

What Are Recent G2 Reviews of CyberSecOp?

Cyberseer

Cyberseer offers Advanced Threat Detection and a 24×7 Managed Security Service (MSS). We fuse both machine learning and behavioural analytics from industry-leading vendor technologies with Cyberseer’s automation and contextualisation platform to equip analysts with a prioritised view of potential threats that an organisation will face. All threats are reviewed and managed to closure by Cyberseer in collaboration with the customer. For more information on our Advanced Threat Detection Solutions & Managed Security Services, then please visit - https://www.cyberseer.net/

Who Is the Company Behind Cyberseer?

CyGuard

All Digital Hands Manages Security Services are powered by CyGuard. Discover the unparalleled power of CyGuard technology that drives our industry-leading composable security model. With its cloud-based architecture, CyGuard managed services provide lightning-fast alert correlation and enrichment, giving our expert analysts the tools they need to make informed decisions at machine speed. Our optional, fully automated response capabilities mean that threats are neutralized in seconds - giving you an unbeatable security advantage. No more waiting hours or days to address security concerns - with CyGuard, we respond to threats immediately. CyGuard is more than just a SOAR platform. It's a continuously evolving suite of specialized tools developed exclusively by our team of expert software engineers and security professionals. These tools are designed to solve real-world cybersecurity challenges and protect your organization from the most sophisticated threats. Don't settle for anything less than the best. Choose Digital Hands and enjoy the peace of mind that comes with having the most powerful, cutting-edge security technology working for you.

Who Is the Company Behind CyGuard?

  • Seller: DIGITAL HANDS
  • Year Founded: 2001
  • HQ Location: Tampa, Florida, United States
  • LinkedIn® Page: www.linkedin.com
    70 employees on LinkedIn®

DefendEdge

DefendEdge, is a cyber security company focused on delivering products and services to help eliminate threats and risks to corporate environments, clients, and brands. SiON, our Employee Threat Management™ platform - detecting insider malicious or anomalous human behavior. iDNA, our Threat Intelligence Platform - identifying permutations, impersonations, social media negative sentiments, including surface, deep, and dark web data.

Who Is the Company Behind DefendEdge?

DigitalXRAID

DigitalXRAID are an award-winning managed security services provider with 25+ years’ experience, dedicated to providing our clients with state-of-the-art cyber security solutions. We specialise in Vulnerability Management, Threat Intelligence, Information Security, PCI-DSS, Penetration Testing, Managed Security Services, Security Consultancy, and offer a fully managed Security Operations Centre (SOC) for your complete cyber security protection. We’re serious about security and compliance and have some of the highest qualified professionals in the country ready to safeguard your security. We are one of the elite few who hold both CHECK and CREST certifications alongside Cyber Essentials Plus, IASME Gold Standard, ISO 27001, and ISO 9001 accreditations. With our cutting-edge tools and techniques, we’ll protect your business 24 hours a day, 365 days a year. We’ll shield you from cyber threats, safeguard your digital assets and ensure you stay two steps ahead of the criminals. We’re your best defense against cyberattacks and when you choose DigitalXRAID, you’re choosing the finest cyber security team for your business.

Who Is the Company Behind DigitalXRAID?

Dimension Data Security Solutions

Security Solutions by Dimension Data provides digital security solutions that span your IT infrastructure, on-premises and in the cloud, to respond swiftly to any security incident.

Who Is the Company Behind Dimension Data Security Solutions?

DXC Security Services

With DXC Managed SIEM, you get a security information and event management (SIEM) service individually tailored to your environment. The service collects and correlates millions of security events and transforms that data into actionable alerts, management reports, and comprehensible dashboard displays. It also identifies internal and external threats and spotlights weaknesses in your company's security posture.

Who Is the Company Behind DXC Security Services?

  • Seller: DXC Technology Company
  • Year Founded: 2017
  • HQ Location: Ashburn, Virginia
  • Twitter: @DXCTechnology
    39,002 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    90,657 employees on LinkedIn®
  • Ownership: NYSE: DXC

eSecurity

eSecurity Solutions is unique in the security solutions space in that we provide our customers all essential solutions that they need to meet their cyber security goals. This includes complete Governance, Regulation & Compliance (GRC) services, managed security (including MDR) and customized security products from leading security vendors. The results of these solutions enable our customers to assess security gaps, define prioritized solutions, and then to acquire, implement, and manage those security solutions. These solutions enable our customers to attain their security objectives. These objectives range from achieving regulation or cyber-insurance compliance, or best-practices level security.

Who Is the Company Behind eSecurity?

  • Seller: eSecurity
  • Year Founded: 2003
  • HQ Location: Irvine, US
  • Twitter: @eSecSolutions
    948 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    18 employees on LinkedIn®
Lauren Worth
LW
Researched and written by Lauren Worth
Updated October 3, 2024