Greg Leah is the Principal Threat Researcher at Cloudmark, Inc. where he manages malware automation systems and leads the development of advanced detection for malware attacks delivered by email. Greg comes from a background in anti-virus; he has worked for several anti-virus, email security and threat intelligence providers including PhishLabs, Sophos, and Symantec. Greg holds a Bachelor of Software Engineering from the University of Victoria in British Columbia, Canada.