Dissipating the Cloud - ESET Threat Blog

One of the big problems with using “the cloud” is that at times the product may actually upload a file from your computer to the internet. This has very serious privacy implications. Virus scanners make mistakes at times. In this case a file that is proprietary or contains sensitive information may be uploaded and the customer may not want that file to leave their network.

VB Conference Day 2 - Avira Blog

Another HOT topic was cloud computing. There were two perspectives shown: From the testers point of view and from the developers side. FORTUNATELY, both sides agree in a central point: In-the-cloud-computing is not the holy grail of the Antivirus and Antispam industry. It helps to fix some of the problems, but it is definitely not the panacea, the solution to all problems.

A Cloud is a Container of Fog that Obscures Vision - ESET Threat Blog

What they found in extensive testing is that “Cloud” scanners do not have a detection advantage over traditional solutions. In one example they showed where a product had no normal or cloud detection, but did have detection in tradition beta signatures. In some cases cloud based products added detection much later than a traditional solutions.