Club Penguin Rewritten (July 2019) data breach: 4.0M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2019-07-30
In July 2019, the children's gaming site Club Penguin Rewritten (CPRewritten) suffered a data breach (note: CPRewritten is an independent recreation of Disney's Club Penguin game). In addition to an earlier data breach that impacted 1.7 million accounts, the subsequent breach exposed 4 million unique email addresses alongside IP addresses, usernames and passwords stored as bcrypt hashes. Exposed data: email addresses, ip addresses, passwords, usernames. The breach dates from Jul 27, 2019; Have I Been Pwned loaded it on Jul 30, 2019.
What to do
- If you had a Club Penguin Rewritten (July 2019) 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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