After three months of beta testing, the final version of Microsoft’s free antivirus tool Security Essentials has been released.

Immunet Corporation founded in July 2008 by a former executive of Symantec, has released a free antivirus product Immunet Protect. It combines the power of cloud computing with Collective Immunity concept.

The first beta version of Microsoft Security Essentials was limited to 75,000 downloads within several targeted countries.

Microsoft has opened public access to its brand new security product Microsoft Security Essentials Beta. It protects home users from viruses and spyware. Free of charge.

Microsoft announces plans to release a new anti-malware solution with code name Morro.

My 5 cents on the eternal question — what antivirus is the best. During the last couple years I’ve tried several programs. I cannot say that one of them is definitely the best, but I want to share my impressions.