We've seen many attacks where it seemed attackers have used emails + passwords from different breaches. If you want get a picture of which breaches your email was included in:

Have I Been Pwned

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.

However, we also recognize that Alby emails could have been exposed through the reset password system as mentioned already in this announcement and we have made the necessary changes to ensure affected users are not at risk of losing their funds.