All Breaches
November 1, 2017 Verified Sensitive Record Online community

Iron March 2017 Data Breach

The 2017 Iron March data breach involved the unauthorized acquisition of the now-defunct extremist forum's database and its public release in November 2019.

3.5 Thousand
Affected Accounts
6
Data Types
Low
Severity
Yes
Verification

Exposed Data Types

6
Usernames
Email addresses
IP addresses
Dates of birth
Forum posts
Private messages

Additional Information

Added DateAugust 4, 2026
Breach DateNovember 1, 2017
Domainironmarch.org
SourceBellingcat, ZDNET and The Guardian
Last Content UpdateAugust 4, 2026

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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Company Information

Company NameIron March
SectorOnline community
CountryGlobal
Websiteweb.archive.org/web/20170509142136/http://ironmarch.org

Risk Level

Low

This breach carries a low level of risk.

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