GrrCON

Mark your calendars: Reduced price Early Bird tickets drop March 22 at 11:30 PM ET. Electronic badges are back. We only do this once every five-ish years. If you want one, grab your ticket early quantities are limited. GrrCON.com/Tickets Set your alarm.

The GrrCON 2026 Call for Papers is OPEN! 🎤 Give us your creative. Give us your weird. That oddball research project you've been tinkering with? The unconventional approach that shouldn't work but does? We want to see it. Submit your talk at grrcon.com/cfp

GrrCON 26 Call For Papers is open! Round 1 ends May 1st GrrCON.com/cfp

Thank you all for another amazing conference!!! We love you all and see you Sept 24 & 25, 2026

Spent the day at my favorite conference @GrrCON is where it is at and you should plan to be there next year.

@SentinelOne saved my bacon with their USB cable swag at @GrrCON this year!! Thanks!!

Another year, another blast! Until next year @GrrCON!

@GrrCON I had a great time and heard some fantastic talks. Looking forward to next year.

Hello to the remaining Adventurers helping us finish strong @GrrCON 2025! A winner could be YOU!!! Look at our fearless leader showing you the money. Isn't he adorable? We think so.

Hey @GrrCON! We love you all - unless you are not being nice. Stick around for Major Awards and shit. We give away some cool stuff and some random garbage. You're welcome!

@Hak4Kidz 3/3 Meshtastic Outdoor Node Kit When cell towers ghost you, this little beauty’s got your back. A full Meshtastic outdoor node setup — enclosure, controller, antenna — ready to link up with your crew off-grid. Mesh like a boss.

@Hak4Kidz 2/3 Faces of DEF CON Portrait Card – Jeff Man (Phreaker Life TCG) Collect ’em all? You’ll never collect ’em all — but here’s your chance to snag hacker royalty. This rare Anhackronism card features none other than Jeff Man himself. Phreaker cred not included.

Our friend Dave with @Hak4Kidz provides the following updates. So check out their booth and the cool stuff: 1/3 Custom 3D-Printed Hackable Badge Badges? We love badges. This one’s 3D-printed, hack-friendly, and ready for whatever mischief you throw at it. Exclusive GrrCON flair!

Good Morning Fellow Adventurers! Hope you had some quality sleep and are rehydrating and hitting the showers this morning before we see you again - soon! Thanks for helping us make Day 1 a good time. Let the Day 2/Friday shenanigans begin!

@grrcon day 1 Jayson is up after the keynote!! @Jr0dR87 @jaysonstreet

Day 1 wrap up with Ben Palmer at 6pm in Frequency Drift!!

13 years ago I went to @GrrCON by myself and it was my first conference . I remember knowing then this was what I wanted to do in life One year I stopped at the @TrustedSec booth grabbed swag and said to myself I want to work here and I made it a reality!

Huge thanks to our hero Ian for 3D printing ALL THE CHARMS. If you wish you can try to catch them all! As always @GrrCON is a choose your own adventure, make it a good one.

Stop hacking our fearless leader's microphone. You won't like @EggDropX when he's angry ;)

Look at all these beautiful people ready for @GrrCON 2025. If you aren't here yet, get some caffeine in you and hustle! See you soon.