entropy-analysis

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Security researchers from Irregular found that LLM-generated passwords from Claude, ChatGPT, and Gemini are fundamentally weak due to predictable patterns, with entropy around 27-20 bits instead of the 98-120 bits expected from truly random passwords. This allows passwords to be brute-forced in hours rather than centuries, despite appearing strong to standard password checkers.

Irregular Claude ChatGPT Gemini OpenAI Google Anthropic Dario Amodei HackerOne 1Password Bitwarden GitHub
theregister.com · pabs3 · 13 hours ago · details · hn