Thomas Mathew is a Senior Security Researcher at Cisco Umbrella (OpenDNS) where he works on implementing pattern recognition algorithms to classify malware and botnets. His main interest lies in using various time series techniques on network sensor data to identify malicious threats. Previously, Thomas was a researcher at UC Santa Cruz, the US Naval Postgraduate School, and as a Product and Test Engineer at handsfree streaming video camera company Looxcie, Inc. He presented at Black Hat, Defcon, BruCon, FloCon, Infosecurity Europe, Kaspersky SAS, and O'Reilly Security.