アンチ・ウイルスソフトのマーケットシェア

AV Vendor Market Share Gain / Loss

1. AVAST 17.5% 0.1%
2. Microsoft 16.8% 3.6%
3. ESET 10.8% -0.3%
4. Symantec 10.5% 0.2%
5. Avira 10.4% 0.8%
6. AVG 8.8% -1.3%
7. Kaspersky 5.9% -0.8%
8. McAfee 4.4% -0.5%
9. Trend Micro 2.6% -0.2%
10. Panda 2.0% -0.9%
11. Other 10.3% -0.7%

Antivirus Market Analysis: December 2012 | OPSWAT | Software management and security solutions