Other antivirus software should update signature database regularly, and they cannot effectively protect offline computer that is not connected to the Internet. When new viruses, worms and other malicious attacks strike, traditional signatures are insufficient. Every minute one waits for a virus signature update creates a window of vulnerability that could have devastating consequences. USB Security Protection uses advanced proactive detection techniques, requires no signature updates, and closes the window of vulnerability left open by other reactive, signature-based responses. With USB Security Protection, it's not necessary to sacrifice speed for detection and scanning. Compare antivirus software and you'll discover that USB Security Protection is by far one of the smallest applications in the industry.