OWASPASVS 5.0 requirement

ASVS-V6.6.3 A code based out-of-band authentication mechanism is protected against brute force attacks by using rate limiting.

L2 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V6 Authentication
Section
V6.6 Out-of-Band authentication mechanisms
Level
L2 (requirement applies from this verification level up)

Requirement

Verify that a code based out-of-band authentication mechanism is protected against brute force attacks by using rate limiting. Consider also using a code with at least 64 bits of entropy.