Don't play naive, Secunia is a business selling security software, and it's expensive, too:
http://secunia.com/vulnerability_scanning/corporate/pricing
Geez, wake up. These companies aren't in it for their health, they're there to make a profit off your fear.
Not that there's anything wrong (or new) about that.
I don’t see their Mac product. Everything appears to be targeting windows or am I not undestanding their product?