Breach & Leak Research

Checker for seeing whether an email appears in the historical Ashley Madison breach dataset.

Searchable timeline of publicly reported breaches with affected organizations, dates and data types.

Research service publishing structured ransomware and cybercrime ecosystem tracking data.

Checker for seeing whether a phone number or profile appears in Facebook-related breach data.

Public breach-awareness service for checking whether an email address appears in known data breaches.

Identity Theft Resource Center database documenting publicly reported US data compromises.

Leak-awareness search page for checking whether identifiers appear in exposed datasets.

Exposure checker for seeing whether a password or email appears in known breach data.

Mozilla service that checks email addresses against known breaches and explains protective steps.

Cybernews checker for seeing whether an email or phone appears in known data leaks.

Open-source ransomware monitoring project indexing group posts for defensive research.

Open-source tracker monitoring ransomware leak sites and publishing structured status data.