: Cyber-security researchers and Polish authorities identified a 7-zip archive named 3.5mlnPL.7z circulating on the dark web.
: It remains one of the largest concentrated sets of data specifically targeting a single nationality (Poland), which made it a primary tool for "credential stuffing" attacks against Polish banks and e-commerce sites. Checking Your Data 3.5mlnPL.7z
If you believe your information was in this file, you can check reputable breach notification sites like , which frequently indexes these major "combo" archives. 3.5mlnPL.7z