Facebook is expanding its support for hardware security keys to iOS and Android devices. The feature, available worldwide starting Thursday, lets you enable two-factor authentication to log into Facebook on a phone or other mobile device using a physical security key.
are a top authentication technique and particularly useful for two-factor authentication because you register them to work with a particular site or service. Facebook has supported .
Facebook said it strongly recommends that everyone consider using hardware keys to increase the security of their accounts, but added that it's long encouraged their use for people at a "high risk of being targeted by malicious hackers," such as politicians, public figures and journalists.
People can enroll a security key in two-factor authentication within the security and login section of their settings, Facebook said.