Gartner recently reported its market share numbers for security software worldwide for the 2015 calendar year. IBM Security is:Fastest-growing of top five Security Software vendors No. 1 in SIEM/Security Intelligence No. 2 in enterprise security software No. 3 in overall market share for the overall security software market No. 6 in overall revenue No. 7 No. 4 No. 5 No. 9 in Web Access Management No. 10 No. 12 in overall Revenue No. 8 No. 11 in overall No. 13 in total for IBM Security No. 14 in total.”]
Source: https://securityintelligence.com/news/2015-security-software-market-share-rankings/