About the author David Irvine is the director-general of security for the Australian Security Intelligence Organisation. He was formerly director-general of the Australian Secret Intelligence Service.
David Irvine: ASIO's responsibility and 'diligence in the shadows' August 29, 2014 By David Irvine Features During my five years as director-general of Security, I have occasionally emerged from the shadows to talk on three specific subjects: the threats from terrorism
