An anonymous reader writes: The Black & White Ball to be held in London, England September 18th-21st released it's final speakers list today. The 'hacker con' is set to kick of with a bang as the world famous Oxblood Ruffin, head of the Cult of the Dead Cow's Hacktivism wing, keynotes the 'Black hat' track. This 'black track' will run for 2 days and will be cover the latest in information attack. The last 2 days of the event will be the 'white track' and will cover defense methodologies. The leading speaker and digital guru Richard Thieme will open up the 'white track' with his keynote speech "Challenges to Identity, Structure and Security".