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Acknowledgements

The authors would like to thank all those, often hackers and phreakers and virus writers themselves, who have assisted with their time and confidences in the preparation of this book - and in particular Erik Bloodaxe, Ralf Burger, John Draper, Fry Guy, Steve Gold, Rop Gonggrijp, Doc Holliday, Lubomir Mateev, Pengo, Robert Schifreen, Peter Sommer, Bill Squire, Todor Todorov, Mark Washburn, Steffen Wernery, Nick Whiteley and Captain Zap.

In addition, we would like to thank John Austen, Jim Bates, Noel Bonczoszek, Vesselin Bontchev, Owen Bowcott, Alan Dawson, Barry Donovan, Lee Felsenstein, Hans Gliss, Mike Godwin, Ross Greenberg, Bob Jones, Ian Leitch, Veni Markovski, Jamie Moles, Chris Pierce, Simon Royle, Fridrik Skulason, Andy Sharp, Alan Solomon, Bruce Sterling, Gail Thackeray, Peter Tippett and Clive Warner for their invaluable help.

We would also like to express our gratitude to Michael Alexander of ComputerWorld, who gave freely of his time, advice and files - and who waited patiently for months for the latter to be returned to him.

Furthermore, we would like to acknowledge our debt to Ron Rosenbaum, whose article 'Secrets of the Little Blue Box' (Esquire, October 1971) provided great insight into the early days of phreaking.

Finally, some material in Chapter Seven originally appeared in a different form in an article, 'Satanic Viruses' by Paul Mungo, published in the British edition of GQ (February 1991).

Because of the sensitivity of much of the material in this book, the names of some individuals and companies have been changed, and certain events are described out of sequence. Also, details have been deliberately altered in the descriptions of certain illegal acts, and some technical definitions have been simplified to aid comprehensibility.

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