Yubico makes some of the best USB security keys currently available. The company's products make it easy to add hardware-based two-factor authentication to many online accounts, but varying connectors and OS limitations make it harder to use them across platforms. Now Yubico has something closer to the best solution: the YubiKey 5Ci.

The YubiKey 5Ci has a USB Type-C plug on one end, and an Apple Lightning connector on the other. That means it can be used across computers, tablets, and now the vast majority of smartphones. This is also the first Lightning-based security key ever there were already a few Bluetooth-based keys that could work with iOS (like Google's Titan Security Key), but hard connections are safer than wireless ones.

Almost every imaginable security standard is built into the key, including FIDO2/WebAuthn, FIDO U2F, OTP (one-time password), PIV (Smart Card), and OpenPGP. It's definitely meant for people have invested in iOS devices, and the dual connectors will come in handy during Apple's incredibly-slow transition to Type-C.

Yubico is selling the key now on its website for $70, and there's a special 'Launch Edition' that's white instead of black.

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