is a highly experienced crime investigator and renowned lecturer on computer crime, public sector corruption, money laundering, fraud and counterfeiting. He has worked in various New Scotland Yard departments and at the Serious Fraud Office. Whilst in the Computer Crime Unit he investigated and prosecuted hackers, the writers of virus and malevolent code and computer fraudsters.

He also broke new ground by utilising money laundering legislation in the prosecution of product counterfeiters. In 1989 he wrote Basic Computer Security Measures, which was a guide to IT crime prevention and has been incorporated in numerous subsequent publications worldwide.

 In 1998 he founded AmberTec – a fraud and IT crime investigation and training company.

 A former Chairman of the BCS-ISSG and Chartered Information Technology Professional he is currently involved in computer forensic and major commercial fraud investigations on an international basis.

is a computer forensics practitioner who has successfully investigated hundreds of cases of corporate fraud, computer hacking and technical mischief. He has directed a number of computer evidence and investigation teams. He was the founding editor of "Virus Bulletin, the journal of malicious code analysis" and a former editor of the "Computer Fraud and Security Bulletin" published by Elsevier.

His first book, "Computer Evidence: A Forensic Investigations Handbook", published by Sweet & Maxwell, is now a standard textbook.

His second book "Information Risk and Security" was published by Gower, a Russian and second edition has now been published.

In 2001 he founded Data Genetics International Limited, a company specialising in all aspects of computer misuse investigation and response. In 2008, he left DGI to become an independent IT consultant, concentrating on all aspects of commercial fraud and reviews. His opinions are often sought by fraud publications, TV and the press generally.