Run a Mixed System?

For those who run a mixed system with both Mac and PC De Prez Allen Laudenslager says, "Malware is still a problem. This is not reported to attack the Mac, but since I run a mixed PC and Mac system I thought I'd pass it out just in case we have some members who are still running PC as part of a network.

"Never open attachments to email that claims to be from US or state agencies; they never use email attachments to communicate with taxpayers.

"This one claims that you may have under reported income and may be due a refund. It urges you to click on the attachment which directs you to a phony website that will infect PCs."  Here's the article describing the problem.