Liam O'Murchu Liam O'Murchu leads the North American Security Response group at Symantec. Over the past decade this team of threat analysts has investigated and responded to the most sophisticated cyber attacks to emerge; from professional cybercriminals targeting financial institutions, to government-backed threats targeting critical infrastructure. Investigations often involve working with law enforcement to identify and apprehend malware authors. His analysis of Stuxnet, Duqu, Flame and Gauss has been documented in the book Countdown to Zero Day by Wired's Kim Zetter and in the documentary Zero Days, which was shortlisted for an Academy Award in 2017. @liam_omurchu