I received an email from METRO Markets stating that my personal or account details were changed, but I didn’t make any changes

Call us immediately. We’ll discuss the next steps with you. Your account may have been compromised by criminals.

Also check your other online accounts, especially your email account, to ensure they haven’t been compromised.

Change your password for all your online accounts as a precaution.

You can check yourself if your data has been leaked at https://haveibeenpwned.com