Backup Yubikey Strategy

After a local security meetup where I presented about Webauthn, I had a really interesting chat with a member about a possible Yubikey management strategy. Normally when you purchase a yubikey it&#x27;s recommended that you buy two of them - one primary and one backup. But how do you keep them in sync? You have to ensure every key you enroll on the primary is also on the backup! This means you…