Once inside an account, attackers can steal personal information, payment details, or use your identity to scam others.
Always turn on 2FA (preferably using an app like Google Authenticator ) so that even if someone has your password, they still can't log in. If you'd like, I can: Explain how to set up a password manager . Give you tips on creating a strong master password . Help you identify signs of an account compromise .
If your data is in such a list and you reuse passwords, hackers can gain access to your private accounts.