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Security: Updates, 2FA with ssh on OpenBSD, and Germany's Research

Submitted by Roy Schestowitz on Monday 3rd of September 2018 04:34:22 PM Filed under
Security
  • Security updates for Monday
  • 2FA with ssh on OpenBSD

    Five years ago I wrote about using a yubikey on OpenBSD. The only problem with doing this is that there's no validation server available on OpenBSD, so you need to use a different OTP slot for each machine. (You don't want to risk a replay attack if someone succeeds in capturing an OTP on one machine, right?) Yubikey has two OTP slots per device, so you would need a yubikey for every two machines with which you'd like to use it. You could use a bastion—and use only one yubikey—but I don't like the SPOF aspect of a bastion. YMMV.

    After I played with TOTP, I wanted to use them as a 2FA for ssh. At the time of writing, we can't do that using only the tools in base. This article focuses on OpenBSD; [...]

  • Germany, seeking independence from U.S., pushes cyber security research

    Germany announced a new agency on Wednesday to fund research on cyber security and to end its reliance on digital technologies from the United States, China and other countries.

»

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