Yubico YubiKey 5 Nano Security Key, USB‑A, Black (100854)

The YubiKey 5 Nano is a compact, always‑available USB‑A security key designed to provide strong, phishing‑resistant authentication to protect your online accounts. Its ultra‑small “nano” form factor sits flush inside your device, delivering continuous readiness and secure access without the need for batteries or network connectivity. Supporting a wide range of protocols - including FIDO2/WebAuthn, U2F, Smart Card (PIV), Yubico OTP, OATH‑TOTP, OATH‑HOTP, and OpenPGP - it works seamlessly across Windows, macOS, ChromeOS, and Linux. Built with durable glass‑fiber reinforced plastic and rated IP68, it offers superior resistance to dust, water, and physical stress. Trusted by top global brands and millions of users, the YubiKey 5 Nano enables fast, dependable, passwordless and multi‑factor authentication for both personal and enterprise security.