wscsvc.dll is a dynamic library, which is also known as Windows Security Center Service. This file belongs to Microsoft Windows Operating System, so there is no surprise that it hasn't caused lots of problems for PC users. Nevertheless, it can be stopped when needed (you can do that by going to the Control Panel) because it is not a Windows core file. To sum up, this file is trustworthy component of Microsoft OS but there is no problem if you want to stop it.
There is a malicious version of wscsvc.dll spreading around! Virus, which uses this file for its own malicious activity is called Active Security. Please, do NOT let such file stay on your computer because it can be used for lots of malicious activities. According to PC security experts, this file usually needs executables or other pest files to start its work on victim's computer. However, some threats can turn wscsvc.dll to an independent component, for example, a harmful web browser plugin or hidden system service.
In order to double check the trustworthiness of wscsvc.dll, you should use RegCure Pro. If this program reveals that wscsvc.dll is malicious, you should run a full system scan with ReimageIntego and remove related malware from the system.