Date	Type	Title	Author	Event
December 04, 2011	Slides	Putting the P back in VPN	Roger Dingledine	Black Hat USA 2004
November 19, 2011	Slides	Why is Anonymity So Hard?	Roger Dingledine	Black Hat USA 2002
October 13, 2011	Slides	Attacks on Anonymity Systems (Theory)	Len Sassaman Roger Dingledine	Black Hat USA 2003
October 13, 2011	Slides	Attacks on Anonymity Systems (Practice)	Len Sassaman Roger Dingledine	Black Hat USA 2003
March 06, 2010	Video	Why Tor is Slow, and What We're Doing About It	Roger Dingledine	DEFCON 17
March 06, 2010	Paper	Why Tor is Slow, and What We're Doing About It	Roger Dingledine	DEFCON 17
March 06, 2010	Audio	Why Tor is Slow, and What We're Doing About It	Roger Dingledine	DEFCON 17
January 25, 2010	Video	Tor and censorship: lessons learned	Roger Dingledine	Chaos Communication Congress 26th (26C3) 2009
January 25, 2010	Slides	Tor and censorship: lessons learned	Roger Dingledine	Chaos Communication Congress 26th (26C3) 2009
December 03, 2009	Audio	Tor and blocking-resistance	Roger Dingledine Nick Mathewson	DEFCON 15
November 06, 2009	Audio	Security and Anonymity Vulnerabilities in Tor: Past, Present, and Future	Roger Dingledine	DEFCON 16
October 18, 2009	Slides	Why Tor is slow	Roger Dingledine	HAR 2009
October 18, 2009	Video	Why Tor is slow	Roger Dingledine	HAR 2009
June 06, 2009	Video	Tor and blocking-resistance	Roger Dingledine Nick Mathewson	DEFCON 15
June 06, 2009	Slides	Tor and blocking-resistance	Roger Dingledine Nick Mathewson	DEFCON 15
May 02, 2009	Video	Security and anonymity vulnerabilities in Tor	Roger Dingledine	Chaos Communication Congress 25th (25C3) 2008
March 28, 2009	Video	Security and Anonymity Vulnerabilities in Tor: Past, Present, and Future	Roger Dingledine	DEFCON 16
January 23, 2009	Slides	Security and anonymity vulnerabilities in Tor	Roger Dingledine	Chaos Communication Congress 25th (25C3) 2008