The file is part of a massive 2020 data breach collection. Cit0day.in was a commercial service that indexed thousands of previously hacked databases for cybercriminals; after its shutdown, a 120GB backup of its contents was leaked publicly.
Use scripts like the Cit0day Password Checker on GitHub to cross-reference personal or corporate domains against the leak list. Cit0day Premium.tar.gz
Use an isolated virtual machine (VM) or a dedicated "air-gapped" environment for extraction. These archives often contain malformed files or occasional malware included by the leakers. Extraction Commands: Linux/macOS: tar -xzvf Cit0day_Premium.tar.gz The file is part of a massive 2020 data breach collection