LayerOne CTF @LayerOneCTF

infosec.exchange/@LayerOneCTF Malibu Joined February 2016

Tweets

244
Followers

366
Following

251
Likes

254

LayerOne CTF @LayerOneCTF

4 months ago

Congrats to the Psychoholics! This year was MUCH closer.

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LayerOne CTF @LayerOneCTF

4 months ago

One more day to CTF!

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LayerOne Security Conference @layer_one

5 months ago

Lots of announcements today! Early bird reg pricing and hotel discounts CLOSING IN ONE WEEK! We've also put up the full conference schedule and speaker lineup. Check it out! layerone.org/early-bird-reg…

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Brett @rem1nd_

a year ago

Even though I couldn't make it to LayerOne this year I still had a blast playing the CTF. Here are some super short solves for a few of the chals.

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LayerOne CTF @LayerOneCTF

a year ago

Congratulations to the Psychoholics for winning another @layer_one CTF!

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LayerOne CTF @LayerOneCTF

a year ago

A new day to CTF!

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LayerOne CTF @LayerOneCTF

a year ago

Standings at the end of day 1. CTF will remain running through the night and into tomorrow afternoon. Good luck!

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LayerOne CTF @LayerOneCTF

a year ago

Current scores:

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LayerOne CTF @LayerOneCTF

a year ago

Have you joined the CTF? Check it out!

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LayerOne CTF @LayerOneCTF

a year ago

3 days until CTF! We're working hard on on creating all the challenges.

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LayerOne CTF @LayerOneCTF

a year ago

Flag{MyJobIsJustBeach}

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LayerOne CTF @LayerOneCTF

a year ago

TWF5IDI1LTI2

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LayerOne Security Conference @layer_one

2 years ago

LayerOne 2024 - May 25-26, 2024 - Call For Papers is up! layerone.org/call-for-paper… Hotel room discounts are up! hilton.com/en/attend-my-e…

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LayerOne Security Conference @layer_one

2 years ago

Registration is up! layerone.org/registration/ Get in on Early Bird pricing while it lasts! Call for Papers is also up - submit you awesome talk now! layerone.org/call-for-paper…

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LayerOne Security Conference @layer_one

a year ago

layerone.org/events/ctf/ Capture the Flag returns for LayerOne 2024! Get your hack on! Early bird reg and hotel discounts end in 2 weeks - don't wait! Book NOW! layerone.org/registration/ hilton.com/en/attend-my-e…

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DFIR | Violinist |
Former medical/vet tech | I work for everyone and no one. Infosec retellings obfuscated. Salty and tired.
Also Litmoose on BlueSky

Moose @LitMoose

38K Followers 5K Following DFIR | Violinist | Former medical/vet tech | I work for everyone and no one. Infosec retellings obfuscated. Salty and tired. Also Litmoose on BlueSky

Dislike cyber__ terms | @HardHatBrigade | Perpetual Newb | Meyers-Briggs: IDGAF | !Serious Account | ex-Payphone Purveyor | on infosec exchange | views my own

MrBill // wardrive ev... @SecureThisNow

Always learning | Soufflé ❤️ | ß | Coffee Fiend | Certified Beer Server | Hard Hat Brigade | WarPi | Love of two-wheeled conveyances | BSidesLV & BSidesSD

m◉nkeydrag❍n🐒�... @M0nkeyDrag0n

Ex medical infosec. Red team. Threat hunter. Patient safety. Locksport. Metal work. Rapid prototyping. 3D Printing.
I break things.

Cannibal 🎃 @Cannibal

9K Followers 820 Following Ex medical infosec. Red team. Threat hunter. Patient safety. Locksport. Metal work. Rapid prototyping. 3D Printing. I break things.

security architect / cofounder @Recon_InfoSec / cofounder @DDI_training / ♥️♥♥ == @eric_capuano, nerdery, rainbows, sweatpants | she/her 🤍🌿🍄🌈🫶

Whitney Champion 🍪... @shortxstack

30K Followers 11K Following security architect / cofounder @Recon_InfoSec / cofounder @DDI_training / ♥️♥♥ == @eric_capuano, nerdery, rainbows, sweatpants | she/her 🤍🌿🍄🌈🫶

A Hacker who is A Lover of People, and Life @RetroTwinz @Secbsd, @GrumpyHackers, @NovaHackers, @deadpixelsec @hacknotcrime Advocate @PositivelyBlue_ OSCP, OSWP

Charles Shirer @bsdbandit

25K Followers 27K Following A Hacker who is A Lover of People, and Life @RetroTwinz @Secbsd, @GrumpyHackers, @NovaHackers, @deadpixelsec @hacknotcrime Advocate @PositivelyBlue_ OSCP, OSWP

ᅠᅠᅠᅠ ᅠᅠ �... @d0ublebind

1K Followers 1K Following Personal Account, Hacking systems and egos since Y2K. f@h: https://t.co/XwpOLPiPSn

InfoSec Escapee (Former CISO/Red/Blue/Dev teams). Creator of DumpsterFire, CloakifyFactory, PacketWhisper. I capture & post light reflected from birbz. 🦉🦜🪺

Try Catch HCF (@TryCa... @TryCatchHCF

5K Followers 1K Following InfoSec Escapee (Former CISO/Red/Blue/Dev teams). Creator of DumpsterFire, CloakifyFactory, PacketWhisper. I capture & post light reflected from birbz. 🦉🦜🪺

Jason Lindquist.eth0 @0xEnder

469 Followers 1K Following I do not approve of your methods. Yeah, well you're not from Chicago. ✶✶✶✶ 💉💉💉💉💉💉 (he/him) 💙💛 Mastodon: https://t.co/kPW11h1aul

𝖑𝖚𝖘𝖙 ☾ @CyberLustFMA

19 Followers 303 Following Crepuscular.

Nesim Sisa @SisaCodes

95 Followers 2K Following

zetta @syskage

327 Followers 925 Following Sage of Six Operating Systems, SysKage the first. By clicking on this profile you are already under the effects of my genjutsu. // organizer for DC225

Mohsen Ahmadi @pwnslinger

801 Followers 4K Following Security Researcher, MS CS @ASU, @Shellphish, @riscure, @apple, @cisco; Entrepreneur @plugandplaytc 🇮🇷|🇺🇸

jeffgus @jeffgus

98 Followers 569 Following

no name @42flyingfish

13 Followers 71 Following

Nicholas Baca @nich_olas_ba_ca

0 Followers 18 Following

🔰 LandValueTaxMax ... @maxalanclark

124 Followers 158 Following LVT advocate who thinks sortition is the best path for its realization

Kyle Risse @kylerisseX

35 Followers 292 Following Doing strange and useful things, with computer systems and teams, for fun and profit.

Your.Demo.Master @YourDemoMaster

298 Followers 6K Following

Passionate about accelerating the world's transition to sustainable energy, and ensuring humanity's long-term survival and prosperity.⚡️🚀

SPACE @TeslaXspaceXrev

210 Followers 7K Following Passionate about accelerating the world's transition to sustainable energy, and ensuring humanity's long-term survival and prosperity.⚡️🚀

Rob Weeks @RobWeeks

24 Followers 441 Following

kroot @nootkroot

225 Followers 1K Following US Student | CTF @smiley_ctf @ARESxCTF @malta_ctf | pwn | CCNA, Sec+

soen @soen_vanned

259 Followers 851 Following computers?

justin @justaballr

54 Followers 122 Following

Michelle @Salt_and_Anchor

117 Followers 505 Following www

Dummer. @Dummer229162

41 Followers 4K Following

Ex. Cyber AI red teaming @ Qualcomm | Speaker @ DEFCON | OSCP | PNPT | CEH | DEFCON AI Red Team Village CTF Contestant | 1x CVE | PhD candidate

Designaa, Ph.D @bayegaspard

zapp @zappbrandnxor

2K Followers 698 Following Recovering former Oracle/PHP/Java/SOAP Enthusiast. DEF CON 32 Hacker Jeopardy Champion.

Marcelo @kdlclab

7 Followers 72 Following

Hussein Muhaisen @husseinmuhaisen

2K Followers 4K Following In stealth reversing security complexity for the consumer and the enterprise // @ // PagedOut and GuidedHacking

🇮🇹🇺🇸 Ź̷̨̡̧̨̞̩̞͇̣̩͇̣̟͙͚̬̤̠̼͈̪̳͍̳͇͇̰̜̟͓̣͈̖̤͖̖̳͕̮̻͎͉̭̝̺̤̱̠̌͋̎̒̍̈́̅̓̌̂̒̽̑̐͑̈́̓͌̈́́̑̃͊̓̇̅̏̈́̈́͑̓̂̈́̓̋̉̐͗̅̉͊̈̐̓̓͒̓͑̂̃̒̀̆͂̅́̅̋̅̑̔̒̀̈̃̆̐͗̈͌͆̉̎̂́͋̏̈́̓̇̏̿̽̌͊͗͘̚͘̚̕̕̕͜͜͝͠͝͝͝

Reno Zenere @r3n0zzz

559 Followers 6K Following 🇮🇹🇺🇸 Ź̷̨̡̧̨̞̩̞͇̣̩͇̣̟͙͚̬̤̠̼͈̪̳͍̳͇͇̰̜̟͓̣͈̖̤͖̖̳͕̮̻͎͉̭̝̺̤̱̠̌͋̎̒̍̈́̅̓̌̂̒̽̑̐͑̈́̓͌̈́́̑̃͊̓̇̅̏̈́̈́͑̓̂̈́̓̋̉̐͗̅̉͊̈̐̓̓͒̓͑̂̃̒̀̆͂̅́̅̋̅̑̔̒̀̈̃̆̐͗̈͌͆̉̎̂́͋̏̈́̓̇̏̿̽̌͊͗͘̚͘̚̕̕̕͜͜͝͠͝͝͝

Archivexe @archivexe

0 Followers 22 Following

BuckyX @Bucky_X_

0 Followers 41 Following

I like to break things in creative ways, preferably adding functionality in the process that the original creator never imagined.

tilver @tilver

423 Followers 2K Following I like to break things in creative ways, preferably adding functionality in the process that the original creator never imagined.

Trevor Andrews @ScienceMuseum_

20 Followers 269 Following

Andrew Infantado @andritolion

27 Followers 196 Following (they/them) I'm a cat person. What can I say?

oofdere | you/acc @oofdere

862 Followers 7K Following if only you knew how good we could make things be

Ghriz @itzghriz

45 Followers 128 Following cyber security student.

Valé @valkyrieCharm

25 Followers 126 Following InfoSec student. technology enthusiast. love going to tech conferences💻 💾

Bonesy @Bonesysec

3 Followers 34 Following .

Aask @Aask42

526 Followers 528 Following Security engineer (I think), Maker (I'm pretty sure), Meat Popsicle (definitely) (She/Her/Hers)

Andrew @ndrewlam

26 Followers 30 Following

Trainer for Ignition ICS/SCADA software, Professor of IT/Cybersecurity, CISSP, MSIT InfoSec, https://t.co/i2nVrcrbfp admin, author of Pluralsight courses.

James D. Murray @jdmurray

990 Followers 803 Following Trainer for Ignition ICS/SCADA software, Professor of IT/Cybersecurity, CISSP, MSIT InfoSec, https://t.co/i2nVrcrbfp admin, author of Pluralsight courses.

M @Ma7eria

5 Followers 105 Following

Somerset Recon @SomersetRecon

564 Followers 53 Following

matlac @matl4c

67 Followers 480 Following

Pathos IV Ⓥ @PathosIV

59 Followers 411 Following Child of the 80's. Reliving my childhood dreams by getting into the field I thought I wasn't smart enough for.

designmo @designmo_

0 Followers 7 Following

Sumanth Thyagarajan @Sumanth_stts

60 Followers 846 Following Relishing life

telliksem0h @telliksem0h

22 Followers 111 Following Cybersecurity enthusiast ☣️ Wannabe hacker 👩‍💻 Certified nerd 🤓

IOCsAreEasy @IOCsAreEasy1

354 Followers 5K Following Newly diagnosed neurodivergent.

Director of Mainframe Pentesting @NetSPI | thoughts are my own | 5x @DEFCON 🎤 | Not really here - hit me up on @mainframed767@infosec.exchange

Soldier of FORTRAN - ... @mainframed767

12K Followers 737 Following Director of Mainframe Pentesting @NetSPI | thoughts are my own | 5x @DEFCON 🎤 | Not really here - hit me up on @[email protected]

David Karnowski @davidkarnowski

142 Followers 654 Following

rose @roseicemice

40 Followers 297 Following meo w

Cryotic @cryoticbytes

93 Followers 706 Following Offensive Blue Teamer. Yes, you read that right. I know what I'm talking about. 😎

Domino 💻🪄✨ @DarthDomino

2K Followers 4K Following 🎩 Heckler @AustinHackers 🕉️ Hippie 🏴 Happy 🖤 Healthy 🥑 🏴‍☠️

contraband @c0ntraband0

0 Followers 43 Following

Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.

Dave Kennedy @HackingDave

224K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.

Moose @LitMoose

38K Followers 5K Following DFIR | Violinist | Former medical/vet tech | I work for everyone and no one. Infosec retellings obfuscated. Salty and tired. Also Litmoose on BlueSky

MrBill // wardrive ev... @SecureThisNow

uɐpʇou@ ✸ @notdan

21K Followers 3K Following genuinely flawed satire ه҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿҈̿ im U17r4H4rd(0r3 d00d

m◉nkeydrag❍n🐒�... @M0nkeyDrag0n

Cannibal 🎃 @Cannibal

9K Followers 820 Following Ex medical infosec. Red team. Threat hunter. Patient safety. Locksport. Metal work. Rapid prototyping. 3D Printing. I break things.

Whitney Champion 🍪... @shortxstack

30K Followers 11K Following security architect / cofounder @Recon_InfoSec / cofounder @DDI_training / ♥️♥♥ == @eric_capuano, nerdery, rainbows, sweatpants | she/her 🤍🌿🍄🌈🫶

Charles Shirer @bsdbandit

25K Followers 27K Following A Hacker who is A Lover of People, and Life @RetroTwinz @Secbsd, @GrumpyHackers, @NovaHackers, @deadpixelsec @hacknotcrime Advocate @PositivelyBlue_ OSCP, OSWP

Try Catch HCF (@TryCa... @TryCatchHCF

5K Followers 1K Following InfoSec Escapee (Former CISO/Red/Blue/Dev teams). Creator of DumpsterFire, CloakifyFactory, PacketWhisper. I capture & post light reflected from birbz. 🦉🦜🪺

DEF CON @defcon

448K Followers 3K Following Hacking Conference https://t.co/GhIrTjDOLO

Ellwood is @ellwoodthewood

681 Followers 344 Following Maker of chaos | He/Him/Male | Believes in 1 space after periods, we don't have typewriters anymore!

Jason Lindquist.eth0 @0xEnder

469 Followers 1K Following I do not approve of your methods. Yeah, well you're not from Chicago. ✶✶✶✶ 💉💉💉💉💉💉 (he/him) 💙💛 Mastodon: https://t.co/kPW11h1aul

ᗩᒪETᕼE @AletheDenis

KringleCon @KringleCon

6K Followers 59 Following The world's most fun and festive hacking challenge! 🎁 #HolidayHack by @CounterHackSec + @SANSInstitute

Panda_SD @KM6UMI

84 Followers 2K Following Kelli in San Deigo, #whiskey, #Hammy #Infosec, #AlwaysLearning #defcon #badgelife, #LHC, Personality type is MEDIATOR: (INFP-T)

Ironwood Cyber @IronwoodCyber

2K Followers 226 Following 🚀 The best of hackers + the best of devs 💻 Creators of Enlight™ - Intelligent Offensive Cyber Automation

Designaa, Ph.D @bayegaspard

We capture sheep. Official hashtag for Black Hat and Defcon #WOS
Also on Mastodon at @wallofsheep@defcon.social

wallofsheep @wallofsheep

14K Followers 1K Following We capture sheep. Official hashtag for Black Hat and Defcon #WOS Also on Mastodon at @[email protected]

Home of the Hard Hat enthusiasts
@SecureThisNow @M0nkeyDrag0n @CoD_Segfault @kobeski1906 @aromond2001 @thatmikeflynn

Wigle Group: HardHatBrigade

@HardHatBrigade @hardhatbrigade

1K Followers 121 Following Home of the Hard Hat enthusiasts @SecureThisNow @M0nkeyDrag0n @CoD_Segfault @kobeski1906 @aromond2001 @thatmikeflynn Wigle Group: HardHatBrigade

zapp @zappbrandnxor

2K Followers 698 Following Recovering former Oracle/PHP/Java/SOAP Enthusiast. DEF CON 32 Hacker Jeopardy Champion.

String Fellow @String0Fellow

125 Followers 345 Following Too many interests, not enough time.

Evil MoFo @evilmofo

190 Followers 87 Following Network Pimp, @defconscavhunt Judge

blanketfortcon @blanketfortcon

1K Followers 990 Following Now with less Gluten and more animal onesies!

Illuminati Party ® @IlluminatiParty

4K Followers 431 Following Official Twitter of the Illuminati Party ® (ESTD. 2012)

Sysadmin/Infosec. Car enthusiast. Trekkie. Powerlifting, cocktails, beer, cooking, goth/industrial & electronic music. He/him. also at bsky

Lando @landonotlondo

116 Followers 403 Following Sysadmin/Infosec. Car enthusiast. Trekkie. Powerlifting, cocktails, beer, cooking, goth/industrial & electronic music. He/him. also at bsky

nemesis @iznemesis

6K Followers 323 Following security engineer in Fintech/ opinions are my own / she:her /

Zhora🌻 @Zhoratrope

Tuulikki Laitinen @tuulaiti

21 Followers 726 Following

panda @panda_sec

53 Followers 83 Following Focus on web security

IVU is a group of hackers, admins, security folks, geeks, programmers and gamers located in and around Orange County, California.

Irvine Underground @IVUorg

134 Followers 81 Following IVU is a group of hackers, admins, security folks, geeks, programmers and gamers located in and around Orange County, California.

matlac @matl4c

67 Followers 480 Following

S.O.D.A: Shell On Demand Appliance -- SODA is a Dixie Narco 501e Modified with a data center inside of it to provide shells at DEF CON.

SODAMachine @ShellOnDemand

523 Followers 71 Following S.O.D.A: Shell On Demand Appliance -- SODA is a Dixie Narco 501e Modified with a data center inside of it to provide shells at DEF CON.

First Lady to the Supreme Honorable Illustrious Tyrannical @TheSkullHacker. USMC Veteran. OES Past Matron. #IlluminatiWife #IlluminatiWifeProblems

Illuminati Wife @Semper_Letalis

478 Followers 372 Following First Lady to the Supreme Honorable Illustrious Tyrannical @TheSkullHacker. USMC Veteran. OES Past Matron. #IlluminatiWife #IlluminatiWifeProblems

Founder - Illuminati Party® • Interested in Security, Privacy and Hacking the Human OS • All Your Skulls are Belong to US! • hack AND!XOR_BADGE wit 1337 • 303

Skull Hacker @TheSkullHacker

774 Followers 200 Following Founder - Illuminati Party® • Interested in Security, Privacy and Hacking the Human OS • All Your Skulls are Belong to US! • hack AND!XOR_BADGE wit 1337 • 303

duald flipflop @dualdflipflop

737 Followers 172 Following DEF CON Scavenger Hunt judge. A forum moderator for J!NX forum once upon a time.

501c3 nonprofit To create a more inclusive infosec industry-Aug5 24-A diversity-driven conference committed to helping all underrepresented people in infosec

The Diana Initiative @DianaInitiative

10K Followers 2K Following 501c3 nonprofit To create a more inclusive infosec industry-Aug5 24-A diversity-driven conference committed to helping all underrepresented people in infosec

Friendly Hacker & CEO @SocialProofSec security awareness/social engineering prevention Training, Videos, Talks | 3X @DEFCON🥈| Board @WISPorg | Ex @CISAgov TAC

Rachel Tobac @RachelTobac

108K Followers 8K Following Friendly Hacker & CEO @SocialProofSec security awareness/social engineering prevention Training, Videos, Talks | 3X @DEFCON🥈| Board @WISPorg | Ex @CISAgov TAC

#Malware #Ransomware #DFIR #InfoSec #CyberSecurity #ThreatHunting #ThreatIntel #ForeverN00b #Mennonite Personal page, views don't represent employer.

icanhaspii @icanhaspii

2K Followers 5K Following #Malware #Ransomware #DFIR #InfoSec #CyberSecurity #ThreatHunting #ThreatIntel #ForeverN00b #Mennonite Personal page, views don't represent employer.

Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30

Azeria @Fox0x01

122K Followers 597 Following Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30

Wild West Hackin' Fes... @WWHackinFest

14K Followers 478 Following Join us for Wild West Hackin' Fest - Deadwood 2025! Conference: Oct. 8-10, 2025; Pre-Conference Training: Oct. 7-8, 2025.

A pop-up, virtual hacker / #infosec con. Details on past and future events are on our website. This account is no longer maintained. Please follow us on BlueSky

PancakesCon (Virtual ... @PancakesCon

6K Followers 155 Following A pop-up, virtual hacker / #infosec con. Details on past and future events are on our website. This account is no longer maintained. Please follow us on BlueSky

Dad, Hacker, Nerd, Red team guy. Uber Badger. Loves CTFs and blinky things.
OSCP/CISSP/GREM/GCFA/CHFI/ALPHABETSOUP. Let's do cool stuff.

Kybr (Pete Souba) @_Kybr_

179 Followers 139 Following Dad, Hacker, Nerd, Red team guy. Uber Badger. Loves CTFs and blinky things. OSCP/CISSP/GREM/GCFA/CHFI/ALPHABETSOUP. Let's do cool stuff.

Yaxis @yaxisbot

310 Followers 463 Following A beautiful giraffe who has no limits. I do security things.

Soldier of FORTRAN - ... @mainframed767

12K Followers 737 Following Director of Mainframe Pentesting @NetSPI | thoughts are my own | 5x @DEFCON 🎤 | Not really here - hit me up on @[email protected]

Null Space Labs @nullspacelabs

1K Followers 91 Following Downtown Los Angeles's hackerspace! Except now in Burbank!

𝚕𝚒𝚗𝚝𝚒�... @lintile

7K Followers 2K Following 9 out of 10 dentists agree

5N4CK3Y @5n4ck3y

2K Followers 41 Following You can smell the cigarette smoke in this picture.

Spencer Willett @BeGrateful180

152 Followers 527 Following e/acc

r1tt3rz @r1tt3rz

144 Followers 838 Following

Pentester, Forensic investigator, and former college professor. Trained hackers at every branch of US military and intelligence.

Visit me at https://t.co/G478wufszw

OccupytheWeb @three_cube

248K Followers 3K Following Pentester, Forensic investigator, and former college professor. Trained hackers at every branch of US military and intelligence. Visit me at https://t.co/G478wufszw

Christos Sotiriou @Ch_Sotiriou

140 Followers 368 Following 🇨🇾 | Electronics Engineer | CTF Player w/ @CYberMouflons

Gigs @gigstaggart

276 Followers 172 Following The Pretender

waldoirc @waldoirc

3K Followers 626 Following Trying to figure out how computers work. Figuring out SDR, IOT, and Mobile exploitation. https://t.co/rLZFU0dOBy

Joe Lucas @josephtlucas

499 Followers 946 Following https://t.co/srVb071iE0

Joe Grand @joegrand

28K Followers 600 Following Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin.

DC Groups are up and running all around the world! Defcon would like to thank the founders of the groups for all of their hard work and input.

DEF CON Groups @defcongroups

8K Followers 57 Following DC Groups are up and running all around the world! Defcon would like to thank the founders of the groups for all of their hard work and input.