This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.
Reader discretion is strongly advised. This book contains graphic sexual scenes, intense scenes of BDSM, and strong language. A full content note can be found in the front matter of the book.
A guide to computer security discusses how the "blackhat community" uses the Internet for destructive purposes and provides information on how to learn from a "blackhat" attack to protect computer networks.