These files typically aggregate data from "infostealers" (like RedLine or MetaStealer) that exfiltrate plaintext passwords, cookies, and browser history directly from compromised user devices. Key Technical Findings
The naming convention "30KK" suggests the archive contains approximately 30 million records . Status of LeakBase 30KK #7 by @leakbase_official.txt
In , Russian authorities conducted a special operation that led to the arrest of a primary LeakBase administrator and the seizure of its infrastructure. Despite this, mirror sites and Telegram channels often continue to resurface to distribute previously archived datasets. Recommended Actions Law enforcement seizes Leakbase | KELA Cyber Despite this, mirror sites and Telegram channels often
Such dumps are primary fuel for credential stuffing attacks, where hackers use the stolen pairs to gain unauthorized access to other high-value services like banking, social media, or corporate networks. or corporate networks.