Edge Password Exposure, BitLocker Bypass and AI-Enabled Threats

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Summary

Security Now examines Microsoft's response to Edge password exposure, a local BitLocker bypass and Google's findings on adversarial uses of AI, alongside authentication and disk-encryption tradeoffs.

Key points

  • Microsoft said it would stop Edge from loading saved passwords into memory at startup, after researcher Tom Running demonstrated the exposure and released a proof of concept.
  • The proof of concept could extract credentials from the current user's Edge process without administrator privileges; administrator privileges allowed access to other users' processes.
  • Steve Gibson recommends keeping one-time password secrets separate from saved passwords to preserve an additional layer of protection.
  • Researchers confirmed that the published Yellow Key exploit can access a TPM-only BitLocker-protected drive on its original device through Windows Recovery. A claimed bypass of TPM plus PIN was not demonstrated publicly.
  • Google's threat intelligence group reported a zero-day exploit it believes was developed with AI, as well as AI-assisted malware development and supply-chain attacks targeting AI environments.
  • The discussion also notes privacy providers' opposition to Canada's proposed lawful-access Bill C-22.

Article Details

Topics
  • [15:22] Edge password exposure and separation of authentication factors
  • [20:38] Microsoft's Edge changes and the role of threat models
  • [39:02] Yellow Key BitLocker bypass and mitigation tradeoffs
  • [57:27] Google's findings on adversarial use of AI
  • [01:11:32] Canada's proposed lawful-access legislation

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