If you use Windows, you should probably check out EMET:
https://twitter.com/MattT_Cyber/status/694920707474530304
As Wikipedia describes: Microsoft’s Enhanced Mitigation Experience Toolkit (EMET) is a freeware security toolkit for Microsoft Windows . It provides a unified interface to enable and fine-tune Windows security features. It can be used as an extra layer of defence against malware attacks, after the firewall and before antivirus software.
http://blogs.technet.com/b/srd/archive/2016/02/02/enhanced-mitigation-experience-toolkit-emet-version-5-5-is-now-available.aspx
https://www.microsoft.com/en-us/download/details.aspx?id=50766&WT.mc_id=rss_windows_allproducts
https://en.wikipedia.org/wiki/Enhanced_Mitigation_Experience_Toolkit
Firmware Security 