Home > taxonomy > asvs 4.0.3 > 02 authentication > 03 authenticator lifecycle
Authenticator Lifecycle V2.3.1 Verify system generated initial passwords or activation codes SHOULD be securely randomly generated, SHOULD be at least 6 characters long, and MAY contain letters and numbers, and expire after a short period of time. These initial secrets must not be permitted to become the long term password.
Level 1 required: True
Level 2 required: True
Level 3 required: True
CWE: 330
V2.3.2 Verify that enrollment and use of user-provided authentication devices are supported, such as a U2F or FIDO tokens.
Level 1 required: False
Level 2 required: True
Level 3 required: True
CWE: 308
V2.3.3 Verify that renewal instructions are sent with sufficient time to renew time bound authenticators.
Level 1 required: False
Level 2 required: True
Level 3 required: True
CWE: 287
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