I have written about the free business model and anti-malware before but now the two are coming together in a cloud service.
Panda Cloud Antivirus hits Internet for free
I have had good success using Panda before with particularly nasty malware so this new service is worth checking out.
Technology Review has a summary of recent activity in the cloud anti-virus market.
Messagelabs, now part of Symantec, with a wide range of cloud security services for the business market started this managed cloud anti-malware services trend now being adopted in the consumer market.