This statistic shows the North American market share held by antivirus vendors that offer applications designed for Windows. The data is relevant for the time period between May 2012 and November 2012. Over this time, Microsoft was shown to hold the greatest share of the antivirus application market in North America at 32 percent. Information for the global market can be found here.
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OPSWAT. (December 12, 2012). North American market share held by the leading Windows antivirus application vendors from May 2012 to November 2012 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/
OPSWAT. "North American market share held by the leading Windows antivirus application vendors from May 2012 to November 2012." Chart. December 12, 2012. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/
OPSWAT. (2012). North American market share held by the leading Windows antivirus application vendors from May 2012 to November 2012. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/
OPSWAT. "North American Market Share Held by The Leading Windows Antivirus Application Vendors from May 2012 to November 2012." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Dec 2012, /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/
OPSWAT, North American market share held by the leading Windows antivirus application vendors from May 2012 to November 2012 ÌÇÐÄÆƽâ°æ, /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/ (last visited July 30, 2026)
North American market share held by the leading Windows antivirus application vendors from May 2012 to November 2012 [Graph], OPSWAT, December 12, 2012. [Online]. Available: /statistics/251318/north-american-market-share-held-by-antivirus-vendors-for-windows-systems/
