In April, Google announced that consumers could start using their Android phones as physical security keys for two-factor authentication.

The new option enables users to require login verification using a physical device, but eliminates the need to use a separate dongle.

In an update about the feature today, Google revealed that Android phones can now be used as physical security keys for iOS devices, too.

Security breaches have become increasingly common and login credentials are often compromised as a result.

Anyone with the right login information can sign into an account, but two-factor authentication (2FA) offers a pretty solid solution.

In its most common form, 2FA will only let someone log into an account after they enter a code sent to the phone number on their account.

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