| Vendor | Founded | Country | Status | Recognition | Coverage | Summary | |
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1998 | 🇺🇸 US | Active | Leadership Compass +56 Zero Trust Platforms July 13, 2026 · Alexei Balaganski |
Google Cloud offers Apigee, a leading API management and security platform acquired in 2016. Apigee is deeply integrated into Google Cloud, supporting hybrid, multi-cloud, and AI-enhanced API… |
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GoSecure | 2002 | 🇺🇸 US | Active | Leadership Compass +2 Email Security September 18, 2025 · Martin Kuppinger |
GoSecure, with dual headquarters in Montreal, Canada, and La Jolla, California, was founded in 2012 and specializes in EDR (initially known for CounterTack), Managed Detection & Response, and… |
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Gravitee | 2015 | 🇺🇸 US | Active | Video +2 API Platforms: The New Security Perimeter for the Age of GenAI and Agentic… September 19, 2025 · Alexei Balaganski |
Gravitee is an API management vendor with open-source roots focused on unifying synchronous and asynchronous APIs in one platform. Its product set spans central management (Cockpit), API management… |
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Graylog | 2009 | 🇺🇸 US | Active | Leadership Compass Intelligent SIEM Platforms February 12, 2024 · Warwick Ashford |
Graylog is a US-based log management and security analytics company founded in 2009. With origins in the open source community, Graylog Security combines SIEM, security analytics, incident… |
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GreatHorn | 2015 | 🇺🇸 US | Active | Leadership Compass +1 Email Security September 18, 2025 · Martin Kuppinger |
GreatHorn provides a cloud-native email security solution targeted for Microsoft 365, delivering layered protection including content analysis, security awareness/user education, ATO (Account… |
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Gretel | 2019 | 🇺🇸 US | Acquired 2025 | Leadership Compass Synthetic Data for Security and Privacy November 11, 2024 · Anne Bailey |
Gretel provides privacy-preserving synthetic data tools that enable organizations to generate safe copies of sensitive datasets. The platform serves AI and ML analytics, focusing on data privacy… |
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GREYCORTEX | 2016 | 🇨🇿 CZ | Active | Leadership Compass +1 Network Detection and Response (NDR) October 14, 2024 · Osman Celik |
GreyCortex, founded in 2016 in the Czech Republic, is a cybersecurity startup focused on network detection and response. Its product, Mendel, targets visibility and vulnerability management for IT… |
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Grip Security | 2021 | 🇺🇸 US | Active | Leadership Compass SaaS Security and AI Governance September 2, 2026 · Matthew Gardiner |
Grip Security provides a SaaS security platform that helps organizations discover and govern sanctioned, unsanctioned, and forgotten SaaS applications, as well as AI tools, agents, browser… |
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Group-IB | 2003 | 🇸🇬 SG | Active | Leadership Compass +14 Attack Surface Management October 21, 2026 · Osman Celik |
Group-IB is a privately held cybersecurity company that provides threat detection, intelligence, incident response, anti-fraud, and brand protection services. Its Threat Detection System (TDS) offers… |
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GSMA | 1995 | 🇬🇧 GB | Active | Leadership Compass +1 Passwordless Authentication for Enterprises September 3, 2024 · Alejandro Leal |
GSMA, founded in 1995, is a global trade association for mobile operators. Its Open Gateway initiative, including Number Verify, provides SIM-based, frictionless possession-factor authentication via… |
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GTB Technologies | 2004 | 🇺🇸 US | Active | Leadership Compass Data Leakage Prevention April 3, 2023 · Warwick Ashford |
GTB Technologies is a privately-held, self-funded US data security company founded in 2004, headquartered in West Palm Beach, Florida. GTB specializes in comprehensive DLP solutions for mid- to… |
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Guardian Analytics | 2005 | 🇺🇸 US | Acquired 2020 | Leadership Compass +1 Fraud Reduction Intelligence Platforms June 15, 2021 · John Tolbert |
Guardian Analytics, based in California and founded in 2005, specializes in fraud detection analytics and business intelligence, mainly servicing banks, payment services, and financial institutions.… |
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Guardicore | 2013 | 🇮🇱 IL | Acquired 2022 | Video Zero Trust Means Zero Blind Spots July 9, 2021 · Alexei Balaganski |
Guardicore is a network security company specializing in micro-segmentation and software-defined segmentation solutions designed to help enterprises reduce risk, contain breaches, and streamline… |
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Guardsix | 2008 | 🇩🇰 DK | Active | Leadership Compass The Emerging AI Security Operations Center (SOC) April 20, 2026 · Matthew Gardiner |
Guardsix is a European cybersecurity company providing an integrated security operations platform combining SIEM, NDR, UEBA, case management, and security automation capabilities. Founded over 15… |
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Gurucul | 2010 | 🇺🇸 US | Active | Leadership Compass +13 Identity Threat Detection and Response (ITDR) November 6, 2025 · Alejandro Leal |
Gurucul is a cybersecurity company specializing in analytics-driven security solutions, including user and entity behavior analytics (UEBA), security information and event management (SIEM), and risk… |
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HackerOne | 2012 | 🇺🇸 US | Active | Leadership Compass +2 Attack Surface Management October 21, 2026 · Osman Celik |
HackerOne is a San Francisco-based cybersecurity company specializing in Attack Resistance Management. The platform leverages ethical hacker expertise for asset discovery and adversarial testing,… |
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Hadrian | 2021 | 🇺🇸 US | Active | Leadership Compass +2 Attack Surface Management October 21, 2026 · Osman Celik |
Hadrian is a Netherlands-based early-stage startup specializing in SaaS-based ASM, automated red teaming, and exposure management. The platform is powered by ML-enhanced discovery, contextual asset… |
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Halo Security | 2013 | 🇺🇸 US | Active | Leadership Compass +2 Attack Surface Management October 21, 2026 · Osman Celik |
Halo Security is a US-based privately owned company delivering a SaaS ASM platform, integrated web application scanning, PCI-DSS compliance reporting, and penetration testing services. The solution… |
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Hanko | 2018 | 🇩🇪 DE | Active | Blog The Future of Authentication - Passwordless January 6, 2022 · Martin Kuppinger |
Hanko is a software vendor specializing in passwordless authentication solutions. The company focuses on providing secure and user-friendly authentication mechanisms, leveraging technologies such as… |
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HAProxy Technologies | 2013 | 🇺🇸 US | Active | Leadership Compass API Security and Management July 24, 2025 · Alexei Balaganski |
HAProxy Technologies is a provider of open-source and commercial proxy/load balancing solutions. HAProxy Enterprise extends the open-source project with modular API gateway, deep inspection, and… |
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