If available, adding a second layer of security prevents login even if your password is leaked [3].
Downloading or using leaked account data is illegal in many jurisdictions and violates terms of service. Protective Steps If you are concerned about your own account security:
These .txt files generally contain combinations of email addresses and passwords. Malicious actors use them for credential stuffing , attempting to log into accounts to steal saved credit card information or use accumulated loyalty points [1, 2].