Description: LeakBase is a database of leaked emails and passwords that can be searched to see if your information has been compromised. It is controversial because the data was obtained illegally, though some argue it serves a public good by allowing people to check if their data is secure.
Type: software
Description: Password Checkup is a free service by Google that allows users to check if any of their passwords have been compromised in data breaches. It checks passwords against over 4 billion compromised passwords while keeping the passwords private and secure.
Type: software