Brendan is CEO and co-founder of Sonrai Security. As an entrepreneur partner at Polaris Partners Brendan also helps fund and found security, cloud and SaaS companies. Brendan serves on the board of Tausight, a healthcare security company. Hannigan was previously Chairman of Twistlock, General Manager of IBM Security and CEO of Q1 Labs. IBM Security grew to be the #1 enterprise security provider under his leadership (~$2B revenue). While CEO of Q1 Labs, QRadar the Q1 Labs flagship platform, grew to be the #1 worldwide market share leader.