PATCHING - Simplest and the most powerful step in protecting against Malware/hackers Don't forget to Patch your Adobe and Microsoft products.

Adobe -  Overall, 104 vulnerabilities were patched in Adobe Acrobat and Reader PDF products, including 53 critical bugs and 51 vulnerabilities rated important.

Microsoft - (Important) all but two of the “critical” fixes  apply to vulnerabilities in Microsoft’s browsers.

https://threatpost.com/adobe-issues-over-100-patches-for-flash-acrobat-and-reader/133832/