Full-featured hardware security key from Yubico supporting FIDO2/WebAuthn, TOTP/HOTP, smart card (PIV), and OpenPGP across multiple form factors including USB-A, USB-C, and NFC variants.
Reviewed by Marco Wollank
YubiKey 5 Series
yubico.com/products/yubikey-5-overview No ratings yet. Be the first.
Threat level
Hardened
A hardened pick. Worth the effort once you have chosen to shrink your footprint on purpose. Enough for most people. Threat levels
Our take
The YubiKey 5 is the benchmark for hardware security keys. It handles every protocol that matters (FIDO2 phishing-resistant login, TOTP, PIV smart card, and OpenPGP) in a single durable device that works across every major OS and most phones over NFC. The honest catch is cost: the 5 Series sits at a premium price point, and the firmware is closed-source, so you trust Yubico’s manufacturing rather than auditing the code yourself. Worth it for anyone replacing authenticator apps with genuine hardware protection.
Website at a glance
yubico.com
B score 70
Solid website security headers
Graded by Mozilla HTTP Observatory, tested 14d ago
Inspect this site yourself
Measures the security configuration of the tool's own website, not the privacy of the product itself. A strong tool can still score low here.
YubiKey 5 Series alternatives
Nitrokey Open-source hardware security key line from Berlin-based Nitrokey, with models ranging from the FIDO2-only Nitrokey Passkey to the Nitrokey 3, which adds PIV smart card, OpenPGP, and TOTP support.
Yubico Security Key Yubico's entry-level hardware security key offering FIDO2/WebAuthn support at a lower price point, available in USB-A and USB-C variants, with NFC on select models.
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