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1. Giving defenders an edge with agentic capabilities
Last year, we announced Big Sleep, an AI agent developed by Google DeepMind and Google Project Zero, that actively searches and finds unknown security vulnerabilities in software. By November 2024, Big Sleep was able to find its first real-world security vulnerability, showing the immense potential of AI to plug security holes before they impact users.
Since then, Big Sleep has continued to discover multiple real-world vulnerabilities, exceeding our expectations and accelerating AI-powered vulnerability research. Most recently, based on intel from Google Threat Intelligence, the Big Sleep agent discovered an SQLite vulnerability (CVE-2025-6965) — a critical security flaw, and one that was known only to threat actors and was at risk of being exploited. Through the combination of threat intelligence and Big Sleep, Google was able to actually predict that a vulnerability was imminently going to be used and we were able to cut it off beforehand. We believe this is the first time an AI agent has been used to directly foil efforts to exploit a vulnerability in the wild.
These AI advances don’t just help secure Google’s products. Big Sleep is also being deployed to help improve the security of widely used open-source projects — a major win for ensuring faster, more effective security across the internet more broadly. These cybersecurity agents are a game changer, freeing up security teams to focus on high-complexity threats, dramatically scaling their impact and reach.
But of course this work needs to be done safely and responsibly. In our latest white paper, we outline our approach to building AI agents in ways that safeguard privacy, mitigate the risks of rogue actions, and ensure the agents operate with the benefit of human oversight and transparency. When deployed according to secure-by-design principles, agents can give defenders an edge like no other tool that came before them.
We will continue to share our agentic AI insights and report findings through our industry-standard disclosure process. You can keep tabs on all publicly disclosed vulnerabilities from Big Sleep on our issue tracker page.
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