@Luuuk Rather than LastPass it is most likely related to Twitter (200M accounts). I received an email about it a couple of weeks ago:
You've been pwned!
You signed up for notifications when your account was pwned in a data breach and unfortunately, it's happened. Here's what's known about the breach:
Breach: Twitter (200M)
Date of breach: 1 Jan 2021
Number of accounts: 211,524,284
Compromised data: Email addresses, Names, Social media profiles, Usernames