Security keys
YubiKey 5 NFC security key
A physical key that protects your online accounts with two-factor sign-in.
Best for: Anyone who wants stronger protection for email, cloud and work accounts.
Security keys
Small devices that actually solve an everyday annoyance.
Buying tips
A hardware key protects your accounts even if your password leaks. Buy a second key as a backup and register both, because losing your only key can lock you out. Check that the connector suits your devices, such as USB-A, USB-C or NFC for phones.
General advice for this type of product, not a test of a specific item.