All Breaches
March 22, 2021 Verified Manga / Online Community

MangaDex Data Breach

The MangaDex data breach is a significant account security incident at the manga reading and community platform tracked as of March 22, 2021, affecting 2,987,329 user records.

3 Million
Reported Records
4
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

4
Email addresses
IP addresses
Passwords
Usernames

Additional Information

Added DateApril 25, 2021
Breach DateMarch 22, 2021
Domainmangadex.org
SourceCommunity website breach
Last Content UpdateJuly 18, 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 NameMangaDex
SectorManga / Online Community
CountryUnknown
Websitemangadex.org

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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