[Swordmaker]

Interestingly, a quick search indicates your statement is true for Macs; a brief search of Google and Download.com found very, very few such programs for Macs and all required paid registration.

If, for some unknown reason, a Mac user desired to run anti-virus software on his Mac, there are a couple of FREE ways to do so.

• ClamXav for OS X.
• Agax for OS 7-9.

Since as the author of Agax puts it

"There have as yet been no credible viruses for Mac OS X. If this situation were to change, and a free Mac antivirus program again became beneficial, then I would probably write a whole new program rather than trying to port or update Agax."

It hasn't, so he hasn't.

[Turbopilot]

If, for some unknown reason, a Mac user desired to run anti-virus software on his Mac, there are a couple of FREE ways to do so.

Thanks for the data point. That does indeed reduce the costs. Anything out there as far as firewalls or antimalware, like ZoneAlarm or Windows Defender for the PC?