Cogent Security, a cybersecurity start-up focused on AI-powered vulnerability management, has emerged from stealth with $11m in funding.
The investment was led by Greylock Partners, which also incubated the company through its Edge programme. Additional backing came from Lockstep and a group of strategic angel investors affiliated with companies such as OpenAI.
Cogent Security is pioneering the use of agentic AI in cybersecurity, positioning itself as the first company to deliver an AI taskforce dedicated to vulnerability management. The platform provides AI agents that assist internal security teams by autonomously executing complex, time-intensive tasks such as assessing infrastructure risk, prioritising threats, coordinating fixes, and generating reports.
The funding will be used to expand the company’s elite team of AI and distributed systems engineers, as well as to enhance its proprietary language models and infrastructure. The team includes talent previously from leading firms such as Tesla, Google Research, and Coinbase.
The company’s approach is designed to address the rapidly growing threat of vulnerability exploitation, which has accelerated with the rise of generative AI. Cogent’s AI-native architecture enables real-time intelligence by ingesting vast volumes of historical data to understand each organisation’s internal structure and context from the outset.
Cogent’s platform is already in use by a range of clients including Fortune 500 companies, public firms, and major universities. It has helped reduce the manual workload for security analysts and shortened the time needed to resolve critical vulnerabilities.
Cogent Security CEO Vineet Edupuganti said, “With AI, threat actors are moving faster than ever, which is putting a huge strain on legacy vulnerability management frameworks. These frameworks rely heavily on manual workflows like context gathering, risk assessment, and coordination between security, infrastructure, and IT teams. However, these human-driven processes are simply too slow and inefficient to keep up with modern threats. That’s why we built Cogent: to bring automated, real-time intelligence to the vulnerability management lifecycle and help businesses neutralize cyber threats before attackers can act.”
Alteryx CISO Lucas Moody said, “Vulnerability management has remained an unsolved challenge for decades. Cogent changes that. It’s not just another tool — it’s a true system of intelligence, powered by agentic AI, that delivers real risk reduction and efficiency. It understands our environment, makes informed decisions, and takes action. It’s like having your top security and engineering talent on every issue, around the clock.”
Greylock Partners general partners Saam Motamedi and Corinne Riley said, “Vulnerability management is right now arguably the most important problem in cybersecurity, which in turn is one of the most valuable markets to adopt AI. The Cogent team is one of the strongest we have seen in cybersecurity, bringing a rare blend of security and AI expertise. The company is AI-native to the core, with incredibly strong product velocity and customer centricity, which has enabled early success with large enterprise customers.”
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