Yubico Security Key NFC - FIDO2/U2F Hardware Security Key, USB-A & NFC, Blue

Passwords are the weakest link in your online security—easily phished, reused, and breached. The Yubico Security Key NFC eliminates that risk by providing strong hardware-backed authentication that is simple to use and nearly impossible to compromise. Just tap or insert to verify your identity and keep attackers out.

Who is it for

This key is built for individuals and businesses that demand strong protection for online accounts, from email and social media to cloud services and enterprise applications. It is ideal for users who want passwordless login, two-factor authentication (2FA), or multi-factor authentication (MFA) without the hassle of codes or apps. Works with Windows, macOS, Linux, Android, and iOS (via NFC).

Main features

• Dual interface: USB-A for computers, NFC for mobile devices—one key for all your devices.
• Supports FIDO2 and FIDO U2F protocols, enabling passwordless login and strong 2FA/MFA.
• Built-in capacitive touch sensor requires physical presence to authenticate, preventing remote attacks.
• Durable and tamper-resistant: IP68 water-resistant, crush-resistant, and no moving parts.
• On-chip key generation and storage; private keys never leave the device.
• No battery or software installation required—just plug in or tap and go.
• FIDO Certified for interoperability with hundreds of services (Google, Microsoft, Dropbox, and more).

Specifications

• Product type: Hardware security key
• Interface: USB-A (plug) and NFC (wireless)
• Protocols: FIDO2, FIDO U2F
• Authentication methods: Passwordless, 2FA, MFA
• Cryptographic algorithms: ECC p256, SHA256
• User presence: Capacitive touch sensor
• Material: Glass-fiber reinforced plastic
• Colour: Blue
• Power: Bus-powered via USB; NFC-powered (no battery)
• Operating systems: Windows, macOS, Linux, Android, iOS (NFC)
• Certification: FIDO Certified
• PIN support: Yes (FIDO2)
• Country of origin: USA / Sweden

Tips

Register the key with at least two services as a backup, and consider purchasing a spare key stored in a safe place. For mobile use, ensure NFC is enabled and hold the key flat against the back of your phone near the NFC antenna. The key works out of the box—no drivers or software needed.