~/talk

Designing consumer account recovery in a 2FA world

Talkat BSidesSF 2023 · 2023-04-22..04-23· [security, web-platform]
slides:none on file

Explains concrete recovery paths for WebAuthn and passkeys including passkeys syncing and cloud fallback to iCloud+SMS, shows that backup codes are actually used by ~1% of active users saving hundreds of support calls, cites support call cost of $40–$70 and recommends registering extra recovery factors (think 3–5 day waiting period for high-risk resets), highlights GitHub and Cloudflare recovery flows, and warns never to disable 2FA during recovery.

AI-written summary · about

  1. 0:00Introduction and context
  2. 3:08What is account recovery
  3. 8:46Types of recovery methods
  4. 12:35Backup codes and passkeys
  5. 16:04Companies doing it well
  6. 19:15Recommendations and best practices
  7. 24:48What not to do
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