Confirmed speakers list for 2009 (in no specific order):

Senator Stephen Conroy - DBCDE
Steven M. Bellovin - Columbia University
Brett Moore - Insomnia Security
Jason Edelstein - Sense of Security
Dave Melvin - Forward Discovery
Andrew Collins - Australian Customs
Derek Oliver - ISACA
Ken Van Wyk - KRvW Associates
Peter Gutmann - University of Auckland
Paul Ducklin - Sophos
Colonel Joe Adams - West Point Military Academy
Paul Twomey - ICANN (President/CEO)
Daniel Grzelak - SIFT
Alex Serrano - Deloitte-Touche
Gabriel d'Eustachio - CSC Australia
John Harrison - Queensland Government
Taher Elgamal - Axway
Andrew Rourke - ASI Solutions
Dan Hubbard - Websense
Alana Maurushat - University of New South Wales
Nigel Phair - Australian Federal Police
Scott McIntyre - XS4All
Ruslan Stoyanov & Dimitry Levashev RTComm (one of Russia's largest ISPs)
Shaun Vlassis - ShadowServer / Honeynet Project
Freed0 - ShadowServer
Petko Petkov - GnuCitizen
Dan Klein - www.klein.com
Neal Wise - assurance.com.au
Donald (Andy)Purdy - www.andypurdy.net
Patrick Gray - Managing Editor - Risky.biz
Peter Lawler - Independant Contractor
Alastair MacGibbon - Independant Consultant
Berne Campbell - Security Professional