Cryptography nerd

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Bluesky: natanael.bsky.social

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Joined 2 years ago
Cake day: January 18th, 2025
  • A DNS lookup on a domain says who runs the email server for email users on that domain (that’s how email senders figures out how to send you messages), and if that host is a known one then you can just pull the link to show. If you’re self hosting email then a few solutions can be recognized and login shown by guessing that the email software’s default URL pattern is used.

  • How the fuck have you never heard of fingerprint copying?

    Every fingerprint scanner which attempts to apply liveness detection has been fooled.

    No biometrics is secure when used remotely. Ever. You can literally just replay the biometric data people send you after you create a phishing site and hack their accounts if it was sent raw.

  • Biometrics is inherently not securable and the only viable method of using it ever is locally only to unlock a different secret, which actually can be secure.

    Most biometrics is trivial to duplicate, fingerprints can replicated from photographs.

    Biometrics are battle tested and got annihilated in every conflict. It’s a total loser.