Search results

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

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

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

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

Official page that tests whether the current connection appears to be using the Tor network.

Reporting and explainers on dark-web activity, leak sites and underground cybercrime.

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.

National Academies chapter explaining deep-web content, discovery limits and information retrieval.

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

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

News archive covering dark-web leaks, criminal forums, takedowns and ransomware activity.

Analyst posts on deep- and dark-web activity, threat actors and underground communities.

Dark-web intelligence company publishing monitoring, ransomware and underground-ecosystem analysis.

Research study examining the structure and technical characteristics of dark-web content and services.

National Transportation Library record for research on discovering and cataloging hidden-web resources.

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

CUNY research paper examining automated collection and analysis of dark-web forum data.

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

Reporting archive on dark-web crime, underground forums, data leaks and law-enforcement actions.

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

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.