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DC21: Official and Unofficial Contests
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Hacker Pyramid
Back for DEFCON 21 - The 10,000¢ Hacker Pyramid!!! Come and be a lucky audience member who will participate with a DEFCON Celebrity in a fast paced game of Pyramid! It may be the last Dick Clark property to be Seacrested... so we're bringing it to you FIRST! Every contestant has a chance at the FABULOUS PRIZES - all the way up to the GRAND PRIZE of 10,000¢!!!!!!! (site),(twitter.)
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"Beverage" Cooling Contraption Contest
This contest was first held at Defcon 13. What is being planned for this year? More inside. (site)
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Deviant Ollam
Black Bag (Lockpicking Contest)
Contest run by Deviant, Black Bag is to replace Gringo Warrior, (twitter)
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The Challenge that Black Hat Would Not Take
Download a file encrypted with Whitenoise, and 1 Million bytes of key stream, and try to break it. A Whitenoise key has never been broken. Submit your solution to us any time over the next year (you'll need it!) to see if you win! (site)
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Communicating on a Different Frequency
A contest requiring use of DEF CON Badges from DEF CON past to communicate messages. (image link)
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CTF: Capture the Flag
Temporary description until one is provided:
Taking over the CTF this year we have the "Legitimate Business Syndicate" prepared to run CTF at Defcon. (site) , (Registration), (twitter)
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CTP : Capture the Packet
CTP is a network scavenger hunt. In this challenge, contestants will monitor the network, look for clues, solve puzzles, and win prizes. (signup)
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by bl1nc
Crack Me If You Can
For the 4th year, KoreLogic is running the premiere password cracking contest. How many hashes can you crack during DEFCON? Fire up your CLOUD and GPUs. (site), (twitter)
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Last Post: We are ON for 2013!
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by minga
Crash and Compile
Coding, compiling, competition, consumption (of alcohol) -- think of the fun! (site), (twitter.)
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by krux
Dark Tangent s Tamper Evident Contest
"Impossible to reseal or reuse". Your goal is to prove them wrong and document your work every step of the way. (site)
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Defcon Exploit Hackathon
Accept challenge to code a new exploitation utility for release during Defcon. (Description may change)
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Last Post: Prizes
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by astcell
Defcon Short Story contest
RTFR inside and submit to us a short story. The topic may be of your choosing so long as it meets the guidelines in the rules. Read threads inside for more information
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The DEFCON Darknet Project
Building a sustainable distributed society based on technology.
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Hackers Against Humanity
From Vegas 2.0, creators of The DEF CON Summit, Borrowed from "Cards Against Humanity," you have Hackers Against Humanity. (site)
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Hacker Jeopardy
Get the answer, provide the questions. Score the most points, and you win!
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Hack Fortress
Hackers and gamers team up in the coolest gaming tournament at Defcon. Combining a hacking contest with a TF2 tourney, the teams must work together as actions in one environment impact the other. (twitter), (site)
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Last Post: We're baaack
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by silk
The Most Significant Bit
King of the Nerds style game for Hackers: Candidates selected from video audition on youtube, Challenges will be created from hacker/maker interest areas. (site)
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Network Forensics Puzzle Contest
The Network Forensics Puzzle Contest is a challenging mystery requiring contestants to forensically analyze packet captures (and more!) to uncover an evil plot. (site)
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Pimp my Rascal
Spend less than $500 to mod a Rascal (or similar) without damaging it by 1:00pm Saturday. Who will win?
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Project 2
A drop-in puzzle contest for novice to advanced individuals or teams who don't want to commit to doing a contest for the whole con. (site)
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Scavenger Hunt
Discussions for The DefCon Scavenger Hunt. Send suggestions for the scavenger hunt list to scavlist (and here is where the at symbol can be placed) gmail (and of course you need a dot here) com, (site), (Facebook), (twitter.)
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SECTF for kids (Social Engineering Capture the Flag for kids)
For Defcon 21, the Crew at is challenging kids. We are inviting those of you who think you can use ethical social engineering skills to stretch your limits as a social engineer. A unique blend of information gathering, planning and attack vector execution will challenge the very core of every participant. This will be a different SE challenge as our focus is not on who can “get” the target the worst, but a true display of SE talents. (site)
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SECTF 4 (Social Engineering Capture the Flag 4)
Returning to Defcon 21, the Crew at is challenging you. We are inviting those of you who think you can use ethical social engineering skills to stretch your limits as a social engineer. A unique blend of information gathering, planning and attack vector execution will challenge the very core of every participant. This will be a different SE challenge as our focus is not on who can “get” the target the worst, but a true display of SE talents. Takes place in the Social Engineer Village. (site), (event) (blog), (twitter)
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The Schemaverse Championship
The Schemaverse is a space-based strategy game implemented entirely within a PostgreSQL database where you compete against other players using raw SQL commands. Use your SQL skills to interactively command your fleets to glory during this weekend-long tournament for the database geeks. Or, if your PL/pgSQL-foo is strong, wield it to write AI and have your fleet command itself while you enjoy the con! (site) , (Twitter)
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by Abstrct
Spot the Fed
The one and only Defcon "Spot the Fed" Contest
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Wall of Sheep
Are you a sheep? Maybe you are and don't know it. Think you can herd the sheep to slaughter? Do it! This is the Wall of Sheep. (site), (twitter)
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Warl0ck Gam3z
Participants try their skills with digital forensics, physical security, and other challenges from an exploit team. (site)
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Wifi Sheep Hunt
Defcon Wide search for all sorts of wireless emitting devices... ...if it can transmit a RF signal, it might be on your quest. Start: solve a encoded riddle, locate certain devices to create a key to access wifi.sheep.hunt network, where the game continues. (site)
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Wireless Pentathlon
Multi-feature, multi-contest, wireless rig contest. (site)
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by WiK
DC21: Official and Unofficial Events
Art for EFF
Come and purchase some killer art from y3t1 at Defcon to support EFF. (site)
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by eris
Be The Match Foundation - Bone Marrow Drive
Back for its third year! Take part of the coolest "Bio-Hack" around... register with "Be the Match" at DefCon, and take the first step to become a Bone Marrow Donor. (site), (blog), (twitter), (FaceBook), (Sign-up/Signup).
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by Clutch
CODAME at Def Con 21
Non-profit Festivals & Events covering tech challenges with emphasis on artistic expression and creativity. Bringing together independent artists, coders, game developers, creators, performers and musicians celebrating Art and Technology. (site) , (twitter) , (CallForArtists)
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DEAF CON is unofficial DEF CON event which is volunteer-run, peer service funded by independent donations. It is for deaf and deaf-friendly to meet and share thoughts and services. (DEAF CON not affiliated with the speaker-track services using CART and text on screens.)
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Tamper Evident Village
After a few years of "Dark tangent's Tamper Evident Contest" , new for Defcon 21 is the "Tamper Evident Village. (This description may change without announcement.) (site)
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DC101 is the Alpha to the closing ceremonies' Omega. It's the place to go to learn about the many facets of Con and to begin your Defconian Adventure. Whether you're a n00b or a long time attendee, DC101 can start you on the path toward maximizing your DefCon Experiences. (site), (twitter)
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Last Post: Pentesters Toolkit
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Deviant Ollam
*UNOFFICIAL* Defcon Kids
Focused on content for beginner hackers age 8-16, we have a classroom for kids to participate in demos and workshops, such as learning how to open Master locks, Google Hacking, making Electronics, Social Engineering, coding in Scratch and Communicating in Code. (site), (twitter)
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by Grendel
Defcon Cycle_OverRide (was: Defcon Bike)
Rent bicycles, hire a guide, and endure a 2 Hour bike ride in the Las Vegas heat! Got Water? (Event Info), (Join List/Form), (twitter), (#hacktheheat)
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*UNOFFICIAL* Defcon Shoot
Las Vegas, targets, people, weapons, fun. (site.)
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Hacker Karaoke
Hackers, Karaoke... What more do you need to know? Time: ... Location: ... (site), (twitter.)
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Ham Radio Examinations
Want to get your amateur (ham) radio license? (Registered ARRL Event)
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Last Post: Thanks!
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Hardware Hacking Village
Just as the name implies, this is a forum for discussion of the new Hardware Hacking Village. (twitter)
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Lockpick Village
The Lockpick Village has many demonstrations and some contests. This is a run by mny volunteers such as Deviant and TOOOL-USA. This may include contests such as: Points Competition, Lock Field Stripping, Speed Picking Competition, and more!
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Get your head buzzed at DC 21 to support the EFF! (twitter) (site)
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The Official #BloodKode Challenge
Q: What can you get a hacker that has it all?!?
A: How about some blood & bone marrow!
(Twitter: #BloodKode)
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Last Post: BloodKode 3.0
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by Zorlac
Back for a fifth blowout year, Skytalks are presentations (55-110 min) that are designed to overclock your brain with cutting edge information about sensitive topics that you might not be able to freely discuss or research from the privacy of your own home, workplace, or favorite con. (Facebook), (twitter), (site)
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Last Post: Skytalks VI CFP
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by Dallas
Social Engineer Village (SE Village)
Come to the same room where the SE CTF (Social Engineering Capture the Flag) is taking place to test and practice your skills in a contest, observe the skills of others, or check out extra content beyond the contest, including presentations from noteworthy people on important topics of Social Engineering! (site), (event) (blog), (twitter), (SE CTF for Kids Forum) , (SE CTF Forum)
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Last Post: It all starts here
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Wireless Village
Everything you always wanted to know about wireless (802.11, bluetooth, RFID) and Amateur Radio all in one place. The Defcon 21 Wireless Village is the place you will want to be. Stop by, listen, learn and have fun. (twitter)
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DC21: Official and Unofficial Parties and Social Gatherings
*UNOFFICIAL* The 303 Badge / Party
(Temporary Description) This private party is NOT run by Defcon Staff, but is instead created through hard work and contributions by the 303 for the 303 and many people at Defcon.
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Last Post: 303 Party!
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Goon Band -- Recognize
Back again, the Defcon Goon Band, Recognize, to play in the SECRET LOCATION at Defcon 21! (Where "Secret Location" is TBA.)
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Forum Meet
An informal gathering of people on the forums at Defcon.
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DEF CON Pub Crawl
DEF CON 21 issued a Call for Parties to create space for 21 parties and make a DEF CON Pub Crawl possible. This is for those parties to announce their plans.
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Last Post: 303 Party
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by Nikita
DEF-CON XXI (21) Official Arts & Entertainment Planning+Update Forum
Pools, hackers, sunburns, dragons?, rappers, djs, musicians, spies & interactives! (twitter/facebook links to be revised later.)
Forums: General Updates/Planning
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The Pool (0/0)
Chillout (0/0)
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Last Post: Time and Dates
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Open to everyone, but goaled to including GLBT (gay, lesbian, bisexual, transgendered) Hackers at Defcon-- its a party within Defcon! (site) , (facebook) , (twitter)
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*UNOFFICIAL* Southern California Caravan to Defcon
Returning to Defcon 21, the Southern California trek to Defcon.
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by Heretek
The Summit EFF Fundraiser
Summary: theSummit is a Fund Raiser for the Electronic Frontier Foundation on Thursday Night between Black Hat and DEF CON events.(twitter), (site)
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Where planning and discussion about the Toxic BBQ Event takes place. (site.)
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by zCat
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