All Breaches
January 1, 2016 Unverified Sensitive Record Security Challenges / Community

Hacker.org 2016 Data Breach Claim

In January 2016, a user database from coding challenge and security puzzle platform Hacker.org (hacker.org) was leaked online and indexed by LeakedSource.

4.6 Thousand
Reported Records
3
Data Types
Low
Exposure Scope
Oct 9, 2026
Last updated

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Exposed Data Types

3
  • Email addresses
  • Usernames
  • Passwords

Record Information

Record NameHacker Community Online
CategorySecurity Challenges / Community
Related Websitewww.hacker.org
Breach DateJanuary 1, 2016
Sourcehacker.org(opens in a new tab)
Last updatedOctober 9, 2026

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About This Record

The dump contains 4,574 registered user profiles with usernames, email addresses, and passwords stored in MD5 hashes and plaintext. Without official confirmation from the platform operators, the entry is documented under unverified forum breach safeguards.

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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