Mozilla: Anthropic's Mythos found 271 zero-day vulnerabilities in Firefox 150
Summary
Anthropic's Mythos Preview AI model helped Mozilla find 271 security issues in the new Firefox 150 browser before its release. Mozilla believes AI tools like Mythos can make software safer by finding bugs faster and cheaper than humans or older automated methods.Key Facts
- Mythos Preview is an AI model by Anthropic designed to find cybersecurity vulnerabilities.
- Mozilla used Mythos to detect 271 vulnerabilities in the unreleased Firefox 150 code.
- This is a big jump from a previous AI model, Opus 4.6, which found 22 bugs in Firefox 148.
- Mythos can analyze source code quickly, reducing the need for months of human work to find bugs.
- Mozilla's Chief Technology Officer said AI tools like Mythos give defenders a better chance against attackers.
- AI-based bug finding could become a standard step in software development to improve security.
- Open source projects may especially benefit since their code is public and often maintained by volunteers.
- Mozilla argues that giving maintainers access to AI tools like Mythos can improve internet security overall.
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