On Thu, 22 Jan 2009 09:32:16 -0600, Matt wrote: > FYI, clamav also detects linux based viruses. There are linux based > viruses. Rkhunter is also good to run on a linux server as well. > > http://en.wikipedia.org/wiki/List_of_Linux_computer_viruses > > Of course if you keep your passwords secure and up to date on patches > you 'should' not get any viruses on a linux box. Nothing is certain > though. Its very little effort to install clamav and rkhunter. Viruses have nothing to do with passwords. Viruses get passed around by infected binaries. You might be thinking of worms. Antiviruses don't protect against worms, IDSs do. Unfortunately PCI-DSS requires an AV *as well* as an IDS.