6.34K accounts from The Club Penguin Experience (thecpexperience.com) were exposed in this breach. Besides email addresses, it included password hints and passwords, which makes it a high-risk breach.
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Age groupsEmail addressesPassword hintsPasswordsUsernames
In October 2024, The Club Penguin Experience (TCPE) suffered a data breach. The incident exposed over 6k subscribers' email addresses alongside usernames, age groups, passwords stored as bcrypt hashes and in some cases, plain text password hints. TCPE sent prompt disclosure notices to impacted customers following the breach.
Source: Have I Been Pwned (CC BY 4.0)