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Brendan Hannigan has been the General Manager of IBM’s Security Systems division since October

2011. Before joining IBM, he was the president and CEO of Q1 Labs, a company that developed and

delivered network security software in the U.S. and Canada. Upon its acquirement of Q1 Labs,

IBM asked Hannigan to “lead a new division dedicated to helping clients address security

challenges.” That division became IBM's Security Systems division.

According to Hannigan, IBM’s vision for its Security Systems division is “security

intelligence.” Hannigan’s leadership has led to much success for IBM’s Security Systems division.

Gartner.com ranks IBM’s Security Systems division as the third largest software security vendor worldwide.