LLMs Make Fuzzing Harnesses Obsolete: Why AI Security Test Automation Unicorns Emerge(arstechnica.com)
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- Anthropic's Mythos Preview discovered 271 vulnerabilities in Firefox 150, and around the same time, XBOW became a unicorn with a $155 million Series C funding.
- The investment rationale is that instead of humans writing fuzzing harnesses for each API, a bottleneck, LLMs read code and generate hypotheses to bypass this step.
- However, linking reproduction, false positive filtering, and review of fixes is another product challenge, so saying harnesses will disappear is premature.
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