TOTP, SMS, authenticator apps, recovery codes
0/4 lessons
Lessons
| # | Lesson | Time | Status |
|---|---|---|---|
| 1 | Why passwords aren't enough | 7 min | Next up |
| 2 | TOTP: how authenticator apps work | 7 min | |
| 3 | SMS, email, and push: comparing 2FA methods | 8 min | |
| 4 | Recovery codes and account lockout | 8 min |