Related:
- [a-5.17-Authentication-information](../Standards/ISO27x/OST/27002/EN/a-5.17-Authentication-information.md)
- [Multi-factor authentication](../🎇%20Sparks/Multi-factor%20authentication.md)

Daniel Miessler:
- [The Consumer Authentication Strength Maturity Model (CASMM) V6](https://danielmiessler.com/blog/casmm-consumer-authentication-security-maturity-model/)
- [Not All MFA is Equal, and the Differences Matter a Lot](https://danielmiessler.com/blog/not-all-mfa-is-equal-and-the-differences-matter-a-lot/)