ReliaQuest, a global leader in Agentic AI cybersecurity, has unveiled GreyMatter Attack, a new agentic capability within the GreyMatter platform designed to help security teams proactively identify, validate, and remediate security exposures before adversaries can exploit them. The solution combines AI-driven red teaming, visual attack path mapping, and prioritized remediation recommendations, enabling defenders to stay ahead of increasingly sophisticated, AI-powered threats. ReliaQuest will showcase GreyMatter Attack at Black Hat USA 2026.
Artificial intelligence has fundamentally shifted the threat landscape by giving attackers greater speed, scalability, and the ability to execute sophisticated cyberattacks with less specialized expertise. GreyMatter Attack applies those same AI-driven advantages to defenders, enabling security teams to operate more efficiently across complex hybrid environments using the advanced frontier AI models already integrated into the GreyMatter platform.
Using GreyMatter Attack, defenders can interact with the platform through natural-language prompts based on a user identity, an initial access point, or even a known threat actor technique. The platform then generates a visual attack path that identifies potential exposure points and provides prioritized recommendations for remediation. Security teams can also validate those attack paths directly within their own environments with a single action. The resulting findings are automatically fed into ReliaQuest’s proprietary Agentic Teammates, which can strengthen security posture by autonomously creating new detections, initiating response actions, and implementing additional security controls.
“Powerful frontier AI hasn’t just created new ways for attackers to exploit organizations, it’s also given defenders a speed advantage they’ve never had before,” said Brian Murphy, founder and CEO of ReliaQuest.” GreyMatter Attack lets security teams put that power to work. Using the knowledge only defenders have about their own organizations, teams can simulate threats, test attack paths against their real environments, and close gaps before an attacker can find them.”
GreyMatter already serves as the enterprise’s Agentic Defense platform, allowing security teams to detect threats, conduct investigations, execute incident response, and perform threat hunting across their technology stack using natural-language interactions. The platform eliminates the need for tool-specific expertise while avoiding the requirement to centralize security data.
Organizations attending Black Hat USA can experience live demonstrations of GreyMatter Attack at the ReliaQuest booth (#2139) or schedule a briefing at https://reliaquest.com/black-hat/.
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About ReliaQuest
ReliaQuest is an agentic AI cybersecurity company whose platform, GreyMatter, serves as the Agentic Defense for the enterprise—defending organizations against AI-accelerated attacks. Any defender can harness that AI to detect threats, run investigations, execute response, and hunt across their entire tech stack in plain language without requiring any tool expertise. GreyMatter makes this possible through three capabilities: the Universal Translator, which automatically normalizes telemetry across any vendor without data centralization; Detection at Source, at Storage, or in Transit, which catches threats where data lives or as it moves before it is ever indexed, parsed, or stored; and Agentic Orchestration, which combines a natural language operating layer, multiple autonomous agentic systems, and an AI Model Broker that continuously selects the best model for every task based on speed, cost, and accuracy. GreyMatter enables organizations to re-architect their security environment for speed, efficiency, and cost control. ReliaQuest has been making security possible since 2007.
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