# David Harley

david harley is an IT security researcher, author/editor and consultant living in the United Kingdom, known for his books on and research into malware, Mac security, anti-malware product testing and management of email abuse. == Career == After a checkered career that included spells in music, bar-work, work with the mentally handicapped, retail and the building trade, Harley entered the IT field in the late 1980s, working initially in administration at the Royal Free Hospital in London, and in 1989 went to work for the Imperial Cancer Research Fund (now merged into Cancer Research UK), where he held administrative and IT support roles and eventually moved into full-time security. In 2001 he joined the National Health Service where he ran the Threat Assessment Centre.