People The grugq The Grugq has spent several years researching anti-forensic techniques and is the author of Hash (hacker shell) Forensic Presentations 2004 HiTB: The Art of Defiling: Defeating Forensic Analysis on Unix File Systems (pdf) 2005 Blackhat: The Art of Defiling: Defeating Forensic Analysis on Unix File Systems (synopsis) (pdf) External Links CSO Online interview with The Grugq