From the Cult of Mac site, a warning of a malware strain going after Microsoft Word on the Mac users. Mac's have long remained more isolated and immune, but as they become more pervasive and more mainstream applications move to the Mac the risks increase. Here's a snippet from the article:

After spreading viruses among Windows PCs for years, malicious Microsoft Word documents are now infecting Macs. The files contain a macro that silently executes in the background and downloads an application that can monitor webcams, steal passwords, read browser history and more.

Read the article here, and more importantly warn you users if they are on the Mac to beware of emails with a word attachment entitled "“U.S. Allies and Rivals Digest Trump’s Victory – Carnegie Endowment for International Peace.”