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Definition: FIPS 140-2

FIPS standards for cryptographic security. FIPS 140-2 provides four security levels, each adding functions to the previous level. See FIPS.

Level 1 - Basic encryption such as a PC encryption board.

Level 2 - Provides evidence of elementary tampering.

Level 3 - Prevents access to critical security parameters (CSPs) such as passwords.

Level 4 - Provides evidence of all attempts at tampering.

Validated for FIPS 140-2
This YubiKey FIPS security key has been validated for second-factor authentication for federal and FIDO use. For FIPS 140-2, it meets Level 2 for overall security and Level 3 for physical security. See FIDO. (Image courtesy of Yubico, www.yubico.com)