Safe n Sec 2.0 is new generation of PCs protection systems against various types of IT security threats such as viruses, worms, Trojans, spyware modules etc. The program detects and blocks the malicious activity on the operation system level. Intercepting system calls and analyzing system applications activity SafenSec makes a decision about the malicious actions of application and blocks the attack in an initial stage. Safe n Sec 2.0 provides the inner PC environment security as well as secure Internet navigation. The program occupies minimum HDD (20 Mb) and uses no more than 2% processor resources as it does not depend on signature updates. Being compatible and successfully supplementing other IT security software SafenSec provides constant and reliable PC protection.