WebAuthn
Browser API for FIDO2 authentication
Episodes
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#4599: Why Phone Numbers Are Stuck in the 1970sWhy SMS fails on virtual numbers, and what a SIP-first, IPv6-style phone number system would actually take. -
#4424: Inside the 3D Secure Redirect: What Happens When Your Card Gets ChallengedThat split-second redirect at checkout is 3D Secure 2. Here's how the ACS, risk scoring, and SMS challenges actually work. -
#4161: How Your Password Manager's 6-Digit Code Actually WorksYour phone and a server generate the same code without ever talking. Here's the elegant math behind it. -
#2835: Why Can't I Trust My Own Computer?Why services keep asking you to sign in—and what it would take to fix it. -
#2834: The Deep Ocean Trench of AuthenticationPIN + smart card + biometric + behavioral checks. The real security stack behind federal authentication. -
#958: When Security Becomes the TargetThink your accounts are safe because of 2FA? We dive into the rise of session hijacking and why SMS codes are no longer enough to stop hackers.