With a growing emphasis on Cloud Computing and storing on the clouds, the antivirus industry has caught this fever too. Panda Software has released a Cloud Antivirus solution with even a free version for home and not for profit organizations.
You can check out the Cloud Antivirus and download it from here. Panda claims that the collective intelligence deployed from the cloud provides more stringent and secure protection down to 6 minutes from 48 hours for every update. Besides the PC need not be burdened with heavy and bloated updates as with other vendors.