Breach Data tools and resources

6 resources

Places to check whether an identifier showed up in a public leak, paste, or infostealer log.

Gem
Behind the Email
FreemiumWeb app / API
Looks up an email address and returns a public identity profile with name, work history, education, linked accounts, and breach exposure.
Email OSINT People Search+2
Gem
HackCheck
FreemiumWeb app / API
Searches billions of breach records by email, username, password, or other identifiers and shows which leaks contain the query.
Breach Data Email OSINT+2
Gem
IntelBase
FreemiumWeb app / API
Turns an email into a digital footprint: registered accounts, profile details, breach hits, and infostealer-log exposure, with a timeline of activity.
Email OSINT Breach Data+2
Gem
Revealer.US
FreemiumWeb app / API
Looks up an email, username, or phone across hundreds of live platforms and known breach datasets, then cites the source on every match.
Email OSINT Username OSINT+4
Have I Been Pwned
FreemiumWeb app / API
Checks whether an email address or phone number appears in known data breaches and lists which breaches exposed it.
Breach Data Email OSINT+1
Intelligence X
FreemiumWeb app / API
Search engine for leaked data, the dark web, and historical pages, with results kept in a long-term archive.
Breach Data Search and Discovery+1

Behind the Email