What leaked about you Breach data answers a question nothing else answers cheaply: which services did this identity actually use. That service list is almost always worth more to an investigator than the credentials in the record — and the credentials are the part you must never touch. Using a leaked password is unauthorized access, no matter how public the dump was. What a record actually contains, and what matters A breach record is a row from a service's user table. Typical fields: email, username, a password hash (or plaintext, in bad cases), registration date, last login, IP address at s…