Earth 2 – 420,961 breached accounts

In October 2024, 421k unique email addresses from the virtual earth game Earth 2 were derived from embedded Gravatar images. Appearing alongside player usernames, the root cause was related to how Gravatar presents links to avatars as MD5 hashes within consuming services, a feature Earth 2 advised has now been disabled on their platform. This incident did not expose any further personal information, passwords or financial data.

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Dennis Kirk – 1,356,026 breached accounts

In October 2024, almost 20GB of data containing 1.3M unique email addresses from motorcycle supplies store Dennis Kirk was circulated. Dating back to September 2021, the data also contained purchases from the online store along with customer names, phone numbers and postcodes. Dennis Kirk did not respond to multiple attempts to make contact about the breach. The data was provided to HIBP by a source who requested it be attributed to “IntelBroker , Valhalla & EnergyWeaponUser”.

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Altenen – 1,267,701 breached accounts

In June 2022, the malicious “carding” (referring to credit card fraud) website Altenen suffered a data breach that was later redistributed as part of a larger corpus of data. The data included 1.3M unique email addresses, usernames, bcrypt password hashes and cryptocurrency wallet addresses.

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Z-lib – 9,737,374 breached accounts

In June 2024, almost 10M user records from Z-lib were discovered exposed online. Now defunct, Z-lib was a malicious clone of Z-Library, a well-known shadow online platform for pirating books and academic papers. The exposed data included usernames, email addresses, countries of residence, Bitcoin and Monero cryptocurrency wallet addresses, purchases and bcrypt password hashes.

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