Free Software - to Address top 4 critical controls and Prevent 85% of cyber-attacks

It is called "Qualys Top 4"

Try it because:

1. Free
2. Nothing to Install on your systems

According to the article:- 

Qualys Top 4 is a free tool that builds on the popular QualysGuard Cloud Platform, and enables customers to scan their environments to determine whether or not Windows PCs have effectively implemented the top four security controls:  

1. Application Whitelisting—only allowing approved software to run
2. Application Patching—keeping applications, plug-ins and other software up to date
3. OS Patching—keeping operating systems current with the latest fixes
4. Minimizing Administrative Privileges—preventing malicious software from making silent changes

The link below has more information:-

http://www.csoonline.com/article/2137149/network-security/avoid-85-percent-of-cyber-attacks-with-free-tool-from-qualys.html