David Litchfield is recognized as one of the world's leading authorities on database security. He is the author of "Oracle Forensics", the "Oracle Hacker's Handbook", the "Database Hacker's Handbook and SQL Server Security" and is the co-author of the "Shellcoder's Handbook"and "Special Ops". He is a regular speaker at a number of computer security conferences and has delivered lectures to the National Security Agency, the UK's Security Service, GCHQ and the Bundesamt für Sicherheit in der Informationstechnik in Germany.