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AI Spots Zero-Days: Is the Game Over?
8 May
Summary
- AI model identified 271 Firefox security flaws in two months.
- Custom AI harness guided the model for high accuracy.
- Mozilla confirmed AI's near-perfect detection of vulnerabilities.

Mozilla has detailed its pioneering use of AI for detecting software vulnerabilities, revealing it uncovered 271 security flaws in Firefox over two months. This achievement was largely due to advancements in AI models and Mozilla's development of a custom 'harness'.
This specialized harness guided an AI model, providing it with tools and instructions to analyze Firefox source code. This method dramatically reduced the issue of false positives, a common problem in earlier AI vulnerability detection attempts. The system achieved a high degree of accuracy, giving engineers confidence in the results.
The company shared detailed Bugzilla reports for some of the identified vulnerabilities, showcasing the effectiveness of their AI-driven process. This approach provides developers with a reliable tool to identify and fix security issues, potentially shifting the balance in cybersecurity.