Network Forensics Puzzle Contest #10 posed a serious challenge, requiring contestants to demonstrate advanced reasoning and meticulous attention to detail, even when reading the scenario. Thank you to everyone who submitted an entry for Puzzle #10, and a special congratulations to the relatively small number of folks who submitted correct answers.

The winner of this contest is…Steve B. ! Steve was both the first person to solve the contest AND the person to have the most eloquent solution. He’ll be receiving a prize for being first and the Blackhat Black Card! We’ll be posting a walkthrough and answers in the coming weeks. Steve wrote a great write-up [available here].

Honorable Mentions:

  • Jatiki
  • Zak


We received several requests from DEFCON attendees asking us to post the decryption keys and answers for the DEFCON 2012 contest. The decryption keys and answers are posted below. We will post the list of winners, and a walk-through of the solutions soon. Thank you for playing!

Decryption Keys
Contest Container: W3lc0m3toNFPC2012@defcon
Round2: Aw3s0m3s4uc3@
Round3: DFC=w00t!
Round4: 4r3g3ttingh4rd
Round5: tHiswi11b3fun#
Round6: Th3R4c3is0n$


Answers to DEFCON 2012 Contest Questions

Round 1 Answer: 99901

Round 2 Answer: Golden Alley

Round 3 Answer: ICdarkwater

Round 4 Answer: 15684-b5.12

Round 5 Answer: 2300

Round 6 Answer: Dogfort

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