
"It is the first iOS-friendly security key on the market to offer strong, yet simple authentication over a Lightning connection, while still delivering a unified experience across other mobile, desktop or laptop devices. "The YubiKey 5Ci fills a critical gap in the mobile authentication ecosystem," said Jerrod Chong, chief solutions officer, Yubico. The list of supported sites includes, ,, , and. The final app is the Brave web browser, which allows the YubiKey 5Ci to be used for logging into websites. Two are password managers: LastPass (requires a premium account) and 1Password (new 1Password customers can get six months of 1Password Families for free here).


To work on iOS, it requires compatible apps, and for the launch, three apps work with the YubiKey 5Ci. But the key is only part of the equation.
