GreHack

GreHack is a hacking & scientific infosec conference in Grenoble, France. Nov. 13 & 14, 2026

[GreHack @GrehackConf]

It's still time to get tickets for Grehack, November 13-14, now while supply lasts!

https://t.co/M0UI7fQ6l9

[GreHack @GrehackConf]

@TheLaluka same one :)

[GreHack @GrehackConf]

We're getting the shirts ready for everyone who will be there the 13th of November! 👻👕👾

We also have other special goodies when you arrive... 👀

[GreHack @GrehackConf]

Hey Folks

Many of you asked for it, and we did our best to open up some extra tickets...

📅SAVE THE DATE: Wednesday, October 21 at 2 PM UTC+2, the second batch of ticket sales!

There will once again be a few tickets available, don’t miss your chance, this will be the last one!

[GreHack @GrehackConf]

Hey folks,

Once again, we are impressed and admire your huge loyalty to the conference... we are now SOLD OUT 💚

We will try to find a few extra tickets for latecomers, we can't promise anything, but you will have a second chance 🍀

See you soon! 🏔️

[GreHack @GrehackConf]

important note if you're hesitating on getting a ticket for Grehack: If you want a T-shirt, you have until tomorrow evening (Oct 8) to get your ticket, then you won't be able to have merch.

get it now on https://t.co/M0UI7fQ6l9!

[GreHack @GrehackConf]

tickets for Grehack opens in 15 minutes.
Get ready to speedrun to the shop!

https://t.co/M0UI7fQ6l9

[GreHack @GrehackConf]

Get ready as tickets will be available tomorrow morning!
In the mean time, you can find the program of the conference at https://t.co/Hh6PIyyoxA

The workshop list will be available tomorrow on the tickets page.

[GreHack @GrehackConf]

Without competition, we hope the urge to use AI assistance will lessen, and the team will be able to give you some hints on the challs you're blocking on!

[GreHack @GrehackConf]

Hey folks,

Brace yourself as tickets for GreHack 2026 will be available This tuesday, Sep 29 at 10 a.m. UTC+2!
You can buy your tickets for the conference and CTF and reserve your workshop 🎟️

Workshops will be announced this weekend.
See you tuesday for the ticket sale!

[GreHack @GrehackConf]

This year a change about the CtF:
As AI tools start to transform CtF leaderboards to a prompt an tokens competition, we decided to bring back the spirit of learning , sharing and having fun by simply removing the leaderboard.

[GreHack @GrehackConf]

CFP IS STILL OPEN FOR TALKS !

GreHack 2026 is coming soon... 🫣We invite you to share your talk about a cybersecurity topic of your choice ! 😁

Go now at https://t.co/QZBvUpHse5 to send your talk before it's too late !👀Ending at the 13th.⌚

Thanks to everyone ! Cheers ! 🍻

[GreHack @GrehackConf]

details & submission at:
https://t.co/KUB9J1CZSr

[GreHack @GrehackConf]

Reminder: Grehack CfP is live! 📜
While we have the excuse of the summer heat to stay fresh in front of our computer, take the opportunity to refine your talk or workshop for #GreHack26.
If you want to show your fresh new research or chill findings November 13-14 in Grenoble:

[GreHack @GrehackConf]

Grehack CFP open! 📜

#GreHack is coming back November 13-14 in Grenoble, now's your time to propose a talk or workshop about your new research, the cool tool you created, surprising vulns findings and your insightful cybersec experience!

Call for Paper is open starting... Now!

[GreHack @GrehackConf]

Details & submission at: https://t.co/kW03i6DWJ2

[GreHack @GrehackConf]

Grehack CFP open! 📜

#GreHack is coming back November 13-14 in Grenoble, now's your time to propose a talk or workshop about your new research, the cool tool you created, surprising vulns findings and your insightful cybersec experience!

Call for Paper is open starting... Now!

[GreHack @GrehackConf]

🎤 Final #GreHack25 Rumps recap 🙌

• Argit Janaqi “How Private Is VeraCrypt Activity (On Windows)”
https://t.co/kEW2aZhEde

• Lucas Parsy (Tuxlu) “Grenoble Hackerspace”
https://t.co/yHQ0PGgTud

• @Ruulian_ “How I Seduced My Girlfriend Using The FCSC”
https://t.co/JGvBVVyNzJ

[GreHack @GrehackConf]

Guess who’s back 👀
Missed us? Because we definitely missed you !
If you’re already looking forward to the next #GreHack, we’ve got something for you.
Starting today, we’ll be dropping talks from last November’s edition, one video at a time 🎤
Let’s relive it together 🔥

[GreHack @GrehackConf]

🎤 First #GreHack25 Rumps recap !

• @biero_el “Setup And Tune An OT SOC”
🎥 https://t.co/6pE46OvQHT

• @biero_el “Reading Serbian In JS At 3am”
🎥 https://t.co/JYLVwbZ8cY

• @klcium “I DT_NEEDED Help! How Not To Inject A Dependency”
🎥 https://t.co/sED9l9nXI7