What was exposed, when it happened, and which databases confirm it.
- accounts
- 9,737,374
- Breached
- June 20, 2024
- Last Update
- November 4, 2024
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
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.
Compromised Info
- Cryptocurrency wallet addresses
- Email addresses
- Geographic locations
- Passwords
- Purchases
- Usernames
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the ZLib breach?
The ZLib breach exposed: Cryptocurrency wallet addresses, Email addresses, Geographic locations, Passwords, Purchases, and Usernames.
When did the ZLib breach happen?
The ZLib breach was disclosed on June 20, 2024 and affected 9,737,374 records.
Am I affected by the ZLib breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the ZLib leak.