One Time Verifier

V2.8.1

Verify that time-based OTPs have a defined lifetime before expiring.

Level 1 required: True

Level 2 required: True

Level 3 required: True

CWE: 613

V2.8.2

Verify that symmetric keys used to verify submitted OTPs are highly protected, such as by using a hardware security module or secure operating system based key storage.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 320

V2.8.3

Verify that approved cryptographic algorithms are used in the generation, seeding, and verification of OTPs.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 326

V2.8.4

Verify that time-based OTP can be used only once within the validity period.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 287

V2.8.5

Verify that if a time-based multi-factor OTP token is re-used during the validity period, it is logged and rejected with secure notifications being sent to the holder of the device.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 287

V2.8.6

Verify physical single-factor OTP generator can be revoked in case of theft or other loss. Ensure that revocation is immediately effective across logged in sessions, regardless of location.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 613

V2.8.7

Verify that biometric authenticators are limited to use only as secondary factors in conjunction with either something you have and something you know.

Level 1 required: False

Level 2 required: True

Level 3 required: True

CWE: 308

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