Search results

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

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

Investigative reporting archive focused on dark-web markets, breaches and underground actors.

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

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

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

Narrative podcast documenting breaches, underground actors, darknet cases and security investigations.

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

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

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.

Research paper on finding and organizing scholarly databases within the academic invisible web.

Research paper on integrating data from web databases that are not directly indexed by search engines.

Research study on identifying and understanding search interfaces that expose hidden-web databases.

University guide to finding databases and information that ordinary search engines do not index.

Explains federated searching across government science databases often described as the deep web.

Federated search portal querying science databases and repositories across many countries.

Explains how metadata and structured access affect discovery of database-backed and deep-web content.

Guide to search tools and databases that surface information outside conventional web indexes.

ERIC record for a guide to finding specialized databases and other web content missed by search engines.