GreHack 2018 second (and last) batch of tickets released

October 20th, 2018
It's now or never - second batch of tickets released: go register, go go -> tickets.

New workshop announced

October 20th, 2018
We are glad to announce a new workshop: Log analysis 101 with ELK. More info to come...

GreHack 2018 Registration open (first batch)

October 10th, 2018
The first batch of tickets for GreHack'18 is released: tickets. We hope to see you folks there.

GreHack 2018 Program announcement

September 21st, 2018
We are pleased to announce the program of GreHack'18. A more precise schedule will be published in a few days.

GreHack challenge hint

September 3rd, 2018
As many of you seem stuck on the "Network" challenge, here is a hint: The challenge is not steganography, is offline and is self-contained. Have fun!

GreHack challenge is now online!

August 31st, 2018
GreHack challenge is online! You can participate through this link: There are free tickets for GreHack 2018, and sweet sweats (sic) offered to the first 3 persons who manage to solve the challenge! Good Luck and Have Fun!

Save the date for GreHack 2018

July 8th, 2018
The 6th edition of GreHack will hold on November 16th, 2018 in Grenoble, France.


GreHack 2018 is thankful to the following entities to help us make this event live another year.

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