OPSWAT releases quarterly market share reports for several sectors of the security industry. This quarter’s report includes both worldwide and North American market share and usage data for antivirus software, Windows Systems, and for the first time, peer to peer applications. The data used was collected between November 16, 2010 and February 15, 2011. Please note that OPSWAT is not a research institution; this report aims to distribute the unique data collected to inspire public discussion, not to make any claims as to why changes have occurred. |