Was it caught and shared in some hack, that you know of?I have 2FA even on my old throw away yahoo account. Someone finally tried to access it and I got an alert and denied it. Never seen it in action before other than authenticating a session I initiated, pretty useful.
Have I Been Pwned: Check if your email address has been exposed in a data breach
Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.