DEF CON
@defcon.bsky.social
The world’s premier hacker conference. Serving the global hacker community since 1993.
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Defcon.social
#defconmovienight is finishing #noirvember strong with 'Cry Danger' from 1951. Unjustly jailed con gets out and seeks to set things right. Nothing goes to plan. Join us at 8pm PST in the movie-night-text channel of the discord (Discord.gg/defcon). Watch your pockets, bring an alibi. #defcon
November 26, 2025 at 12:15 AM
#defconmovienight is finishing #noirvember strong with 'Cry Danger' from 1951. Unjustly jailed con gets out and seeks to set things right. Nothing goes to plan. Join us at 8pm PST in the movie-night-text channel of the discord (Discord.gg/defcon). Watch your pockets, bring an alibi. #defcon
Reposted by DEF CON
Make sure you catch my latest for @wired.com -- with comment from @defcon.bsky.social and @blackhatevents.bsky.social founder Jeff Moss, and @adafruit.com founder + engineer Limor Fried: www.wired.com/story/this-h...
This Hacker Conference Installed a Literal Anti-Virus Monitoring System
At New Zealand's Kawaiicon cybersecurity convention, organizers hacked together a way for attendees to track CO2 levels throughout the venue—even before they arrived.
www.wired.com
November 22, 2025 at 2:53 AM
Make sure you catch my latest for @wired.com -- with comment from @defcon.bsky.social and @blackhatevents.bsky.social founder Jeff Moss, and @adafruit.com founder + engineer Limor Fried: www.wired.com/story/this-h...
Reposted by DEF CON
Friendly reminder:
Keep yourself or a hacker in your life looking sharp this holiday season by checking out our goodies at shop.defcon.org. Get our extremely crispy holiday sweater while supplies last, and check out the other gems we have available.
#defcon #sofreshandsocleanclean
Keep yourself or a hacker in your life looking sharp this holiday season by checking out our goodies at shop.defcon.org. Get our extremely crispy holiday sweater while supplies last, and check out the other gems we have available.
#defcon #sofreshandsocleanclean
November 22, 2025 at 1:02 AM
Friendly reminder:
Keep yourself or a hacker in your life looking sharp this holiday season by checking out our goodies at shop.defcon.org. Get our extremely crispy holiday sweater while supplies last, and check out the other gems we have available.
#defcon #sofreshandsocleanclean
Keep yourself or a hacker in your life looking sharp this holiday season by checking out our goodies at shop.defcon.org. Get our extremely crispy holiday sweater while supplies last, and check out the other gems we have available.
#defcon #sofreshandsocleanclean
Reposted by DEF CON
Previous @defcon.bsky.social badge gets some updates and additional resources media.defcon.org/DEF%20CON%20...
November 17, 2025 at 9:19 PM
Previous @defcon.bsky.social badge gets some updates and additional resources media.defcon.org/DEF%20CON%20...
Another #noirvember classic scheduled for the #defconmovienight this weekend. ‘The Prowler’ from 1951 - directed by Fritz Lang and written by Dalton Trumbo in the Blacklist era.
We’ll be lurking in the shadows in the Discord (Discord.gg/defcon) at 8pm PST Saturday. Join us, won’t you?
#defcon
We’ll be lurking in the shadows in the Discord (Discord.gg/defcon) at 8pm PST Saturday. Join us, won’t you?
#defcon
November 17, 2025 at 11:47 PM
Another #noirvember classic scheduled for the #defconmovienight this weekend. ‘The Prowler’ from 1951 - directed by Fritz Lang and written by Dalton Trumbo in the Blacklist era.
We’ll be lurking in the shadows in the Discord (Discord.gg/defcon) at 8pm PST Saturday. Join us, won’t you?
#defcon
We’ll be lurking in the shadows in the Discord (Discord.gg/defcon) at 8pm PST Saturday. Join us, won’t you?
#defcon
#defconmovienight continues the celebration of #noirvember Saturday night with Fritz Lang's 'The Woman in the Window' from 1944. Join the #defcon movie night faithful at 8pm PST. We'll be staring out the window of the discord (discord.gg/defcon) in the Movie-night-text channel. See you there.
November 14, 2025 at 3:24 AM
#defconmovienight continues the celebration of #noirvember Saturday night with Fritz Lang's 'The Woman in the Window' from 1944. Join the #defcon movie night faithful at 8pm PST. We'll be staring out the window of the discord (discord.gg/defcon) in the Movie-night-text channel. See you there.
#DEFCONSIngapore update:
Now that we've wrapped up a very successful DC Bahrain, we're excited to turn our focus to #Singapore. If you want to be involved, we've still got open calls for Creators and Trainers!
More info here:
defcon.org/html/defcon-...
Let's make this thing epic.
#defcon
Now that we've wrapped up a very successful DC Bahrain, we're excited to turn our focus to #Singapore. If you want to be involved, we've still got open calls for Creators and Trainers!
More info here:
defcon.org/html/defcon-...
Let's make this thing epic.
#defcon
November 10, 2025 at 11:55 PM
#DEFCONSIngapore update:
Now that we've wrapped up a very successful DC Bahrain, we're excited to turn our focus to #Singapore. If you want to be involved, we've still got open calls for Creators and Trainers!
More info here:
defcon.org/html/defcon-...
Let's make this thing epic.
#defcon
Now that we've wrapped up a very successful DC Bahrain, we're excited to turn our focus to #Singapore. If you want to be involved, we've still got open calls for Creators and Trainers!
More info here:
defcon.org/html/defcon-...
Let's make this thing epic.
#defcon
It's been great making so many new friends at #defconbahrain! Many thanks to the creators who put the event together, the attendees who shared their time with us and our supremely gracious hosts.
#defcon #passiton
#defcon #passiton
November 6, 2025 at 7:44 PM
It's been great making so many new friends at #defconbahrain! Many thanks to the creators who put the event together, the attendees who shared their time with us and our supremely gracious hosts.
#defcon #passiton
#defcon #passiton
Some more images from the calm before #defconbahrain - our demo labs prepped for demonstration and the info desk ready to inform.
You can find out more #defcon at the #arabinternationalcybersecurityconference here:
defcon.org/html/defcon-...
You can find out more #defcon at the #arabinternationalcybersecurityconference here:
defcon.org/html/defcon-...
November 4, 2025 at 10:25 PM
Some more images from the calm before #defconbahrain - our demo labs prepped for demonstration and the info desk ready to inform.
You can find out more #defcon at the #arabinternationalcybersecurityconference here:
defcon.org/html/defcon-...
You can find out more #defcon at the #arabinternationalcybersecurityconference here:
defcon.org/html/defcon-...
#defcon crew beginning to arrive for #defconbahrain.
Trainings begin Nov 3, and the event runs Nov 5 and 6.
more info here:
defcon.org/html/defcon-...
Trainings begin Nov 3, and the event runs Nov 5 and 6.
more info here:
defcon.org/html/defcon-...
November 2, 2025 at 1:27 AM
#defcon crew beginning to arrive for #defconbahrain.
Trainings begin Nov 3, and the event runs Nov 5 and 6.
more info here:
defcon.org/html/defcon-...
Trainings begin Nov 3, and the event runs Nov 5 and 6.
more info here:
defcon.org/html/defcon-...
#ICYMI: #DEFCON Training is Coming to #Singapore!
Calling all security professionals and trainers: applications are still open for the inaugural DEF CON Training session in Singapore!
🔗 Submit by November 10: training.defcon.org/pages/2026-s...
✉️ Questions? [email protected].
Calling all security professionals and trainers: applications are still open for the inaugural DEF CON Training session in Singapore!
🔗 Submit by November 10: training.defcon.org/pages/2026-s...
✉️ Questions? [email protected].
October 30, 2025 at 9:09 PM
#ICYMI: #DEFCON Training is Coming to #Singapore!
Calling all security professionals and trainers: applications are still open for the inaugural DEF CON Training session in Singapore!
🔗 Submit by November 10: training.defcon.org/pages/2026-s...
✉️ Questions? [email protected].
Calling all security professionals and trainers: applications are still open for the inaugural DEF CON Training session in Singapore!
🔗 Submit by November 10: training.defcon.org/pages/2026-s...
✉️ Questions? [email protected].
Good News, Everyone! We have the official dates for #DEFCON34! And to make up for the delay, we also have the dates for #DEFCON35!
Please join us at the Las Vegas Convention Center August 6-9 in 2026 and August 5-8 in 2027.
Save the dates, friends. It'll be here before you know it.
#defcon
Please join us at the Las Vegas Convention Center August 6-9 in 2026 and August 5-8 in 2027.
Save the dates, friends. It'll be here before you know it.
#defcon
October 29, 2025 at 6:49 PM
We’re closing out Spooky Month at the #defconmovienight with the modern zombie classic
“Shaun of the Dead”. We’ll be at the Winchester (discord.gg/defcon) in the movie-night text channel at 8pm PDT this Saturday. Next up, #Noirvember.
#defcon
“Shaun of the Dead”. We’ll be at the Winchester (discord.gg/defcon) in the movie-night text channel at 8pm PDT this Saturday. Next up, #Noirvember.
#defcon
October 23, 2025 at 8:31 PM
We’re closing out Spooky Month at the #defconmovienight with the modern zombie classic
“Shaun of the Dead”. We’ll be at the Winchester (discord.gg/defcon) in the movie-night text channel at 8pm PDT this Saturday. Next up, #Noirvember.
#defcon
“Shaun of the Dead”. We’ll be at the Winchester (discord.gg/defcon) in the movie-night text channel at 8pm PDT this Saturday. Next up, #Noirvember.
#defcon
#DEFCON Creators alert!
The #DEFCONSIngapore Call For Creators is open! Got an idea for a Contest, Village or Community you'd like to see at DEF CON Singapore? The info you need is here:
forms.cloud.microsoft/r/eQgGJPVffy
Let's make something amazing!
The #DEFCONSIngapore Call For Creators is open! Got an idea for a Contest, Village or Community you'd like to see at DEF CON Singapore? The info you need is here:
forms.cloud.microsoft/r/eQgGJPVffy
Let's make something amazing!
October 14, 2025 at 9:02 PM
#DEFCON Creators alert!
The #DEFCONSIngapore Call For Creators is open! Got an idea for a Contest, Village or Community you'd like to see at DEF CON Singapore? The info you need is here:
forms.cloud.microsoft/r/eQgGJPVffy
Let's make something amazing!
The #DEFCONSIngapore Call For Creators is open! Got an idea for a Contest, Village or Community you'd like to see at DEF CON Singapore? The info you need is here:
forms.cloud.microsoft/r/eQgGJPVffy
Let's make something amazing!
Good thing there's a weekend coming up - the #defcon Youtube channel has dropped a few hundred #defcon33 videos for your perusal. Clear your schedule and let these #dc33 Main Stage & Creator Stage Talks wash over your thirsty brain.
www.youtube.com/playlist?lis...
As always, enjoy and #passiton.
www.youtube.com/playlist?lis...
As always, enjoy and #passiton.
DEF CON 33 - YouTube
www.youtube.com
October 10, 2025 at 10:27 PM
Good thing there's a weekend coming up - the #defcon Youtube channel has dropped a few hundred #defcon33 videos for your perusal. Clear your schedule and let these #dc33 Main Stage & Creator Stage Talks wash over your thirsty brain.
www.youtube.com/playlist?lis...
As always, enjoy and #passiton.
www.youtube.com/playlist?lis...
As always, enjoy and #passiton.
#DEFCON34 Call for #CTF Organizers is OPEN!
After four excellent years, Nautilus Institute is retiring from running the official #DEFCON CTF. The search is on for the next team. Is it your turn? Is your crew the future of live hacking competitions?
defcon.org/html/links/d...
After four excellent years, Nautilus Institute is retiring from running the official #DEFCON CTF. The search is on for the next team. Is it your turn? Is your crew the future of live hacking competitions?
defcon.org/html/links/d...
DEF CON® Hacking Conference - Call for CTF Organizers
Nautilus Institute is passing the torch, will your group be the next CTF Overlords?.
defcon.org
October 9, 2025 at 11:11 PM
#DEFCON34 Call for #CTF Organizers is OPEN!
After four excellent years, Nautilus Institute is retiring from running the official #DEFCON CTF. The search is on for the next team. Is it your turn? Is your crew the future of live hacking competitions?
defcon.org/html/links/d...
After four excellent years, Nautilus Institute is retiring from running the official #DEFCON CTF. The search is on for the next team. Is it your turn? Is your crew the future of live hacking competitions?
defcon.org/html/links/d...
#defconmovienight continues the #spookyseason offerings this Saturday with 'Carrie'.
Join us at 8pm Oct. 11 in the Discord (discord.gg/defcon) in the movie-night-text channel for the classic 1976 tale of prom night and psychokinesis.
#defcon #movienight #halloween2025
Join us at 8pm Oct. 11 in the Discord (discord.gg/defcon) in the movie-night-text channel for the classic 1976 tale of prom night and psychokinesis.
#defcon #movienight #halloween2025
October 9, 2025 at 7:47 PM
#defconmovienight continues the #spookyseason offerings this Saturday with 'Carrie'.
Join us at 8pm Oct. 11 in the Discord (discord.gg/defcon) in the movie-night-text channel for the classic 1976 tale of prom night and psychokinesis.
#defcon #movienight #halloween2025
Join us at 8pm Oct. 11 in the Discord (discord.gg/defcon) in the movie-night-text channel for the classic 1976 tale of prom night and psychokinesis.
#defcon #movienight #halloween2025
Reposted by DEF CON
I like when I can still get little kid levels excited by stuff.
They might as well set up a cot and some blankets for me at hardware hacking village @defcon.bsky.social next year coz I’m in deep now.
They might as well set up a cot and some blankets for me at hardware hacking village @defcon.bsky.social next year coz I’m in deep now.
October 6, 2025 at 2:40 AM
I like when I can still get little kid levels excited by stuff.
They might as well set up a cot and some blankets for me at hardware hacking village @defcon.bsky.social next year coz I’m in deep now.
They might as well set up a cot and some blankets for me at hardware hacking village @defcon.bsky.social next year coz I’m in deep now.
Reposted by DEF CON
The Demo Gods were not kind to me today but I am helping @oshwassociation.bsky.social raise money & they are still livestreaming here:
www.youtube.com/watch?v=Yn0e...
I did a demo of curved traces in @kicad.org & showed off the Marine Hacking Village @defcon.bsky.social badge which is open source!
www.youtube.com/watch?v=Yn0e...
I did a demo of curved traces in @kicad.org & showed off the Marine Hacking Village @defcon.bsky.social badge which is open source!
Show and Tell 12 hour Membership Drive
YouTube video by The Open Source Hardware Association
www.youtube.com
October 6, 2025 at 10:33 PM
The Demo Gods were not kind to me today but I am helping @oshwassociation.bsky.social raise money & they are still livestreaming here:
www.youtube.com/watch?v=Yn0e...
I did a demo of curved traces in @kicad.org & showed off the Marine Hacking Village @defcon.bsky.social badge which is open source!
www.youtube.com/watch?v=Yn0e...
I did a demo of curved traces in @kicad.org & showed off the Marine Hacking Village @defcon.bsky.social badge which is open source!
#DEFCONTraining is headed to #Singapore!
In April 2026, the first-ever #DEFCONSingapore kicks off w/ 2 days of world-class instruction on cutting edge topics.
The Call for Trainers (CFT) is now open! training.defcon.org/pages/2026-s...
Submit to [email protected].
We hope to see you there!
In April 2026, the first-ever #DEFCONSingapore kicks off w/ 2 days of world-class instruction on cutting edge topics.
The Call for Trainers (CFT) is now open! training.defcon.org/pages/2026-s...
Submit to [email protected].
We hope to see you there!
October 7, 2025 at 9:41 PM
#DEFCONTraining is headed to #Singapore!
In April 2026, the first-ever #DEFCONSingapore kicks off w/ 2 days of world-class instruction on cutting edge topics.
The Call for Trainers (CFT) is now open! training.defcon.org/pages/2026-s...
Submit to [email protected].
We hope to see you there!
In April 2026, the first-ever #DEFCONSingapore kicks off w/ 2 days of world-class instruction on cutting edge topics.
The Call for Trainers (CFT) is now open! training.defcon.org/pages/2026-s...
Submit to [email protected].
We hope to see you there!
Reposted by DEF CON
My DefCon 33 set is up now! Check it out!
@defcon.bsky.social @defconmusicorg.bsky.social
youtu.be/TiIKU3RePkg?...
@defcon.bsky.social @defconmusicorg.bsky.social
youtu.be/TiIKU3RePkg?...
Daemon Chadeau - DEF CON 33 - Friday #defcon #defcon33
YouTube video by DEF CON Music
youtu.be
September 27, 2025 at 5:40 AM
My DefCon 33 set is up now! Check it out!
@defcon.bsky.social @defconmusicorg.bsky.social
youtu.be/TiIKU3RePkg?...
@defcon.bsky.social @defconmusicorg.bsky.social
youtu.be/TiIKU3RePkg?...
More #defcon in the news!
Kudos to the team at #defconfranklin for hooking up talented volunteers with infrastructure projects that need attention.
To learn more about the opportunities available, visit defconfranklin.com
www.npr.org/2025/09/20/n...
Kudos to the team at #defconfranklin for hooking up talented volunteers with infrastructure projects that need attention.
To learn more about the opportunities available, visit defconfranklin.com
www.npr.org/2025/09/20/n...
DEF CON Franklin
defconfranklin.com
September 26, 2025 at 1:04 AM
More #defcon in the news!
Kudos to the team at #defconfranklin for hooking up talented volunteers with infrastructure projects that need attention.
To learn more about the opportunities available, visit defconfranklin.com
www.npr.org/2025/09/20/n...
Kudos to the team at #defconfranklin for hooking up talented volunteers with infrastructure projects that need attention.
To learn more about the opportunities available, visit defconfranklin.com
www.npr.org/2025/09/20/n...
We have a deep lineup of courses for #DEFCONTraining at the Arab Int’l Cybersecurity Summit, covering topics including AI security, digital forensics, cryptography,and more.
Secure your spot today!
training.defcon.org/collections/...
#defcon #cyber #training #defconbahrain #AICS2025
Secure your spot today!
training.defcon.org/collections/...
#defcon #cyber #training #defconbahrain #AICS2025
Arab Cybersecurity Conference
DEF CON Training is coming to the Arab International Cybersecurity Conference at Exhibition World Bahrain on November 3 and 4, 2025. Secure your spots before classes are full! Please email training@de...
training.defcon.org
September 16, 2025 at 9:16 PM
We have a deep lineup of courses for #DEFCONTraining at the Arab Int’l Cybersecurity Summit, covering topics including AI security, digital forensics, cryptography,and more.
Secure your spot today!
training.defcon.org/collections/...
#defcon #cyber #training #defconbahrain #AICS2025
Secure your spot today!
training.defcon.org/collections/...
#defcon #cyber #training #defconbahrain #AICS2025