Verdict: Outdated and Potentially Unsafe. While USB Disk Security was a popular niche tool in the early 2010s for scanning flash drives, version 6.0.0.126 is now considered obsolete. Modern alternatives (like Windows Defender) provide superior protection. Furthermore, searching for "activation" files for this software poses a significant security risk. 1. What is USB Disk Security? USB Disk Security is a lightweight Windows utility designed specifically to protect your computer from threats that spread via USB flash drives. Its primary function is to intercept "autorun" viruses that historically used the autorun.inf file to execute malware the moment a USB stick was plugged in. Gastimaza Indian Mms