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MangaDex

Disclosed Apr 25, 20215 years ago2,987,329 accountsUnverified

In March 2021, the manga fan site MangaDex suffered a data breach that resulted in the exposure of almost 3 million subscribers. The data included email and IP addresses, usernames and passwords stored as bcrypt hashes. The data was subsequently circulated within hacking groups.

What is known

People affected2,987,329 (accounts in the leaked data, per Have I Been Pwned)
DisclosedApr 25, 2021
HappenedMar 22, 2021
AttackHacking
Data exposedEmails, IP addresses, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: MangaDexhaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataApr 25, 20212,987,329
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about MangaDex

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