How do I use my security key for authentication when logging in? March 11, 2022 22:19 Updated Simply plug in your security key to your device’s USB port or wirelessly connect it, and tap when prompted. Related articles What is a physical security key? How does a physical security key work? I’ve lost my security key but added an additional security key to my Internet Identity. How can I log in? How do I add another computer to my Internet Identity? What are some Internet Identity security key best practices? How do I know if my device supports Internet Identity? Comments 0 comments Please sign in to leave a comment.