Tag
multi-factor-authentication
- Dec 27, 2024 Factor Independence and the Paths That Bypass MFA Why the assurance of two factors is the product of their independence, and how fallback, enrolment, and recovery paths quietly collapse a two-factor system to one. security
- Jun 26, 2024 TOTP Time Steps, Drift Windows, and Code Replay How a shared secret and a counter quantised to thirty seconds produce a six-digit code, why the verifier searches a window, and what makes a used code reusable. security