DEF CON
@defcon.bsky.social
The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Defcon.org
Forum.defcon.org
Defcon.social
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
Reposted by DEF CON
👾 Had a great time at the DC4131 Padawan CTF with the Swiss @defcon.bsky.social community! Back to CTFs after a while teamed up with J & M and knocked out a few challenges. Go, pwnrpuffgirls girl power! 💪 Big thanks to the organizing team. Looking forward to the next one! #CTF
September 15, 2025 at 11:55 AM
👾 Had a great time at the DC4131 Padawan CTF with the Swiss @defcon.bsky.social community! Back to CTFs after a while teamed up with J & M and knocked out a few challenges. Go, pwnrpuffgirls girl power! 💪 Big thanks to the organizing team. Looking forward to the next one! #CTF
#defcon in the news:
The @[email protected] project got some coverage on @[email protected] !
www.npr.org/2025/09/08/n...
To learn more about Franklin's mission to connect volunteers to under-resourced infrastructure organizations, stop by defconfranklin.com.
#defcon #defcon33
The @[email protected] project got some coverage on @[email protected] !
www.npr.org/2025/09/08/n...
To learn more about Franklin's mission to connect volunteers to under-resourced infrastructure organizations, stop by defconfranklin.com.
#defcon #defcon33
How a small Vermont town is protecting its water from hackers
NPR's Jenna McLaughlin got an inside look at how one small Vermont town is protecting its water from hackers.
www.npr.org
September 16, 2025 at 12:36 AM
#defcon in the news:
The @[email protected] project got some coverage on @[email protected] !
www.npr.org/2025/09/08/n...
To learn more about Franklin's mission to connect volunteers to under-resourced infrastructure organizations, stop by defconfranklin.com.
#defcon #defcon33
The @[email protected] project got some coverage on @[email protected] !
www.npr.org/2025/09/08/n...
To learn more about Franklin's mission to connect volunteers to under-resourced infrastructure organizations, stop by defconfranklin.com.
#defcon #defcon33
#ThrowbackThursday from #defcon33, here's a panel discussion of the history, significance and legacy of the mighty @phrack.org. Enjoy, and pass it on.
youtu.be/TW-D1I27E08
#defcon #phrack #phrackzine
youtu.be/TW-D1I27E08
#defcon #phrack #phrackzine
DEF CON 33 - 40 Years Of Phrack: Hacking, Zines & Digital Dissent -richinseattle, Netspooky, Chompie
YouTube video by DEFCONConference
youtu.be
September 12, 2025 at 2:09 AM
#ThrowbackThursday from #defcon33, here's a panel discussion of the history, significance and legacy of the mighty @phrack.org. Enjoy, and pass it on.
youtu.be/TW-D1I27E08
#defcon #phrack #phrackzine
youtu.be/TW-D1I27E08
#defcon #phrack #phrackzine
Missing DEF CON already? We’ve got a solution! DEF CON is headed to Bahrain, and everything will kick off with two days of training from our expert instructors.
Check out the course offerings and secure your seat today: training.defcon.org/collections/...
#defcontraining #defcon #defconbahrain
Check out the course offerings and secure your seat today: training.defcon.org/collections/...
#defcontraining #defcon #defconbahrain
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 11, 2025 at 7:04 PM
Missing DEF CON already? We’ve got a solution! DEF CON is headed to Bahrain, and everything will kick off with two days of training from our expert instructors.
Check out the course offerings and secure your seat today: training.defcon.org/collections/...
#defcontraining #defcon #defconbahrain
Check out the course offerings and secure your seat today: training.defcon.org/collections/...
#defcontraining #defcon #defconbahrain
#DEFCONBahrain Reminder!
The Call for Demo Labs is open until October 5! If you have an open-source project, tool or technique to share with the #defcon audience, it's time to get your pitch together!
Info & submission link: defcon.org/html/defcon-....
We can’t wait to see what you’re working on!
The Call for Demo Labs is open until October 5! If you have an open-source project, tool or technique to share with the #defcon audience, it's time to get your pitch together!
Info & submission link: defcon.org/html/defcon-....
We can’t wait to see what you’re working on!
September 10, 2025 at 11:18 PM
#DEFCONBahrain Reminder!
The Call for Demo Labs is open until October 5! If you have an open-source project, tool or technique to share with the #defcon audience, it's time to get your pitch together!
Info & submission link: defcon.org/html/defcon-....
We can’t wait to see what you’re working on!
The Call for Demo Labs is open until October 5! If you have an open-source project, tool or technique to share with the #defcon audience, it's time to get your pitch together!
Info & submission link: defcon.org/html/defcon-....
We can’t wait to see what you’re working on!
A journey of a thousand miles begins with a single pick.
#throwbackthursday #defcon #defcon33 #toool #LockpickVillage
#throwbackthursday #defcon #defcon33 #toool #LockpickVillage
September 4, 2025 at 11:10 PM
A journey of a thousand miles begins with a single pick.
#throwbackthursday #defcon #defcon33 #toool #LockpickVillage
#throwbackthursday #defcon #defcon33 #toool #LockpickVillage
#DEFCONBahrain Announcement!
The Call for Demo Labs is open. If you have an open-source project, tool or technique to share with the #defcon audience, your moment has arrived.
Submission deadline is October 5.
Info and submission link: defcon.org/html/defcon-....
The Call for Demo Labs is open. If you have an open-source project, tool or technique to share with the #defcon audience, your moment has arrived.
Submission deadline is October 5.
Info and submission link: defcon.org/html/defcon-....
September 3, 2025 at 9:44 PM
#DEFCONBahrain Announcement!
The Call for Demo Labs is open. If you have an open-source project, tool or technique to share with the #defcon audience, your moment has arrived.
Submission deadline is October 5.
Info and submission link: defcon.org/html/defcon-....
The Call for Demo Labs is open. If you have an open-source project, tool or technique to share with the #defcon audience, your moment has arrived.
Submission deadline is October 5.
Info and submission link: defcon.org/html/defcon-....
#icymi #defcon33
Here's a talk from #defcon 33 about looking for vulnerabilities in a widely used surveillance product.
Please enjoy "Turning Camera Surveillance on its Axis" by Noam Moshe.
And, as always, pass it on.
youtu.be/wclvPznv5v4
Here's a talk from #defcon 33 about looking for vulnerabilities in a widely used surveillance product.
Please enjoy "Turning Camera Surveillance on its Axis" by Noam Moshe.
And, as always, pass it on.
youtu.be/wclvPznv5v4
DEF CON 33 - Turning Camera Surveillance on its Axis - Noam Moshe
YouTube video by DEFCONConference
youtu.be
September 2, 2025 at 11:11 PM
#icymi #defcon33
Here's a talk from #defcon 33 about looking for vulnerabilities in a widely used surveillance product.
Please enjoy "Turning Camera Surveillance on its Axis" by Noam Moshe.
And, as always, pass it on.
youtu.be/wclvPznv5v4
Here's a talk from #defcon 33 about looking for vulnerabilities in a widely used surveillance product.
Please enjoy "Turning Camera Surveillance on its Axis" by Noam Moshe.
And, as always, pass it on.
youtu.be/wclvPznv5v4