100% on this one, seen all the time on real world incidents.
Problem: somebody got a password for an account and nobody knows how.
How: the business user signed into their personal Google account in Chrome at work, which synced all their bookmarks and saved passwords to Google. Then they switched on their home PC, Chrime synced, and infostealer took all the details
Solution: Google Chrome ADMX, and set Group Policy to turn off personal account sign in with Chrome.