Here are links to the puzzles so far…
Puzzle #1: Ann’s Bad AIM
Puzzle #1 Answers and Winners
Puzzle Contest #1 ran from 8/12/2009-9/10/2009
Puzzle #2: Ann Skips Bail
Puzzle #2 Answers
Puzzle #2 Winners
Puzzle Contest #2 ran from 10/10/2009-11/22/2009.
Puzzle #3: Ann’s AppleTV
Puzzle #3 Answers
Puzzle #3 Winners
Puzzle Contest #3 opened on 12/28/09 and closed on 02/01/10.
Puzzle #4: The Curious Mr. X
Puzzle #4 Answers
Puzzle #4 Winners
Puzzle Contest #4 opened on 2/03/10 and closed on 03/18/10.
Puzzle #5: Ms. Moneymany’s Mysterious Malware
Puzzle #5 Answers
Puzzle #5 Winners
Puzzle Contest #5 opened on 4/01/10 and closed on 05/13/10.
Puzzle #6: Ann’s Aurora
Puzzle #6 Answers
Puzzle #6 Winners
Puzzle Contest #6 opened on 5/21/10 and closed on 06/27/10.
Puzzle #7: Ann’s Dark Tangent (DEFCON 2010)
Puzzle #7 Answers
Puzzle #7 Winners
Puzzle Contest #7 was run at DEFCON 18 (2010), and was open exclusively to conference attendees. It opened and closed on 7/30/10.
Puzzle #8: HackMe, Inc.
Puzzle #8 Answers
Puzzle Contest #8 opened on 4/27/11 and closed on 6/30/2011.
Puzzle #9: Ann’s Deception (DEFCON 2011)
Puzzle #9 Answers
Puzzle #9 Winners
Puzzle Contest #9 was run at DEFCON 19 (2011), and was open exclusively to conference attendees. It opened and closed on 8/05/11.
August 4, 2011 at 4:58 pm
When is the next challenge/puzzle? Are they being announced via @_defcon_ twitter?
August 30, 2011 at 1:09 pm
Looking forward to more Forensics Contests in 2011. I would like to participate 🙂