Keep your online accounts safe from account takeovers and meet stringent compliance requirements for highly security-concious organizations with the YubiKey FIPS.

• NIST Certification:FIPS 140-2 validated for government and regulated organizations (Overall Level 2, Physical Security Level 3).
• Convenient and portable:The YubiKey 5Ci FIPS fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C or Lightning to authenticate.
• Versatile compatibility:Supported by Google and Microsoft accounts, Identity Access Managers, password managers and hundreds of other popular services. It works with operating systems and browsers including Windows, macOS, Chrome OS, Linux, Chrome, and Edge. See our "Works With YubiKey" catalog for additional compatible services.
• Multi-protocol:YubiKey 5 Series is the most versatile security key supporting multiple authentication protocols including FIDO2/WebAuthn (hardware bound passkey), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV) and OpenPGP.
• Durable and reliable:High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden.

• RSA 2048-bit
• RSA 4096 (PGP)
• ECC p256/ECC p384

• Crush Resistant
• Water Resistant
• Durable
• Tamper Resistant

• FIDO Universal 2nd Factor (U2F)
• FIDO2
• NIST - FIPS 140-2
• IP68
• FIDO L2
• FIPS 140-2

• Waste Electrical and Electronic Equipment Directive (WEEE)
• Restriction of Hazardous Substances (RoHS)