A USB security key plugs into your computer's USB port and adds an extra layer of security in Online Banking to increase limits for certain transfer types.

USB security keys are an optional, alternative to SMS-based, one-time security codes. You can use them if you don’t have access to a U.S. mobile phone number or can't receive texts to your phone.

You can purchase USB security keys at many online and trusted tech retailers.They typically cost between $18 to $50. Just search for “USB security key” and make sure the key you choose is FIDO-2 certified.

It's easy, and it just takes a minute or two. Register your USB security key

When prompted for your USB security key, just tap the button on the key already inserted into your USB port. This allows the browser to read your device and continue with your transfer. Once your USB security key is set up, it serves as extra security at login and for adding transfer recipients to your account. Make sure you use a supported browser such as Chrome, Edge, Safari or Firefox. Internet Explorer does not support USB security keys.