MangaDex data breach: 3.0M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2021-04-25
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. Exposed data: email addresses, ip addresses, passwords, usernames. The breach dates from Mar 22, 2021; Have I Been Pwned loaded it on Apr 25, 2021.
What to do
- If you had a MangaDex account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch
