Norton is good antivirus having virus database which is always updated with new viruses as well as easy to use interface and most important feature is parental lock which is more useful this days.
Moreover, I come across one of the easiest way to submit your exe for white listing they have website on which you need to send all information and within 24 hours you will get email back from them regarding the white listing of the exe has been done or not apart from that it finds virus easily, not much loaded on your computer, server client architecture help big organization for installing and updating the security antvirus easily good feature of blocking pen drives and other external disc