Win32:Secat [Trj] is a type of Trojan horse malware that infects computers by disguising itself as a legitimate program or file. It can be spread through malicious email attachments, infected websites, or by exploiting software vulnerabilities. Once a computer is infected with Win32:Secat [Trj], it can steal sensitive information, disrupt system operations, and potentially allow remote access by cybercriminals. It is important to have up-to-date antivirus software and practice safe browsing habits to protect against Win32:Secat [Trj] and other types of malware.