Mangatoon data breach: 23.0M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2022-07-06
In May 2022, the Hong Kong based Manga service Mangatoon suffered a data breach that exposed 23M subscriber records. The breach exposed names, email addresses, genders, social media account identities, auth tokens from social logins and passwords stored as salted MD5 hashes. Mangatoon did not respond to multiple attempts to make contact regarding the breach. Exposed data: auth tokens, avatars, email addresses, genders, names, passwords, social media profiles, usernames. The breach dates from May 13, 2022; Have I Been Pwned loaded it on Jul 6, 2022.
What to do
- If you had a Mangatoon 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
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