Photo of Terence Eden. He has a beard and is smiling.

Terence Eden’s Blog

Giving the finger to MFA - a review of the Z1 Encrypter Ring from Cybernetic

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A plain black ring. What secrets does it contain within?

I have mixed feelings about Multi-Factor Authentication. I get why it is necessary to rely on something which isn't a password but - let's be honest here - it is a pain juggling between SMS, TOTP apps, proprietary apps, and magic links. I'm also not a fan of PassKeys0. It feels weird to me that […]

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How do I revoke a FIDO / WebAuthN token from every service?

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YubiKey Neo - a thumb sized USB device - on cardboard backing

After my blog post about recovering my accounts after a disaster, I followed the most repeated advice: Get two YubiKeys Associate them both with your accounts Keep one off-site in a safe location OK, done! My wife and I spend a very boring evening going through every single account we have which supports FIDO tokens […]

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