Cybersecurity

GreHack 2026

GreHack is a computer security conference held in Grenoble, France. The event brings together professionals and enthusiasts for technical talks, workshops, and activities such as Capture The Flag (CTF) competitions. The conference covers a range of topics in cybersecurity and information security and is known for its interactive and community-driven atmosphe…

Visit the official siteSponsorship open
23Speakers
16Sponsors
22Sessions
21Companies · in total

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Speakers

Programmed at GreHack, in alphabetical order.

Alberto Fernandez-de-Retana
Aurélien Chalot
Orange Cyberdefense
Aymeric Palhière
Synacktiv
Fabian Hagg
Onapsis
Félix Billières
Gynvael Coldwind
HexArcana
Hugo Ferreira dos Santos
ilyass (@ESISAR)
KrysCat
Kyle Martin
Vector 35
Leautalb
Lucas Petit
Lucie Bredin
Maria Khodak
Noë Flatreaud (Beemo)
Paul Viel
Pierre Milioni
Synacktiv
pwnii
Romain Gay
Thomas Borot
Volker Carstein
Bsecure
Worty

Sponsors

The companies behind the program. Tiers as disclosed.

AconitFriends
BlackAlpsFriends
CEA8 bits
Dataflow16 bits
DGSE8 bits
EDF8 bits
EnsimagFriends
Google Cloud8 bits
inérciaFriends
Misc MagazineFriends
ph0wnFriends
Randorisec8 bits
Root-Me PRO16 bits
Schneider16 bits
Synacktiv8 bits
Université Grenoble AlpesFriends

Agenda

Selected from 22 sessions.

  • Friday November 13th

    0-click server-to-client RCE in Xpra

  • Friday November 13th

    All your waves are belong to us

  • Friday November 13th

    DevPUBdency Confusion: Weaponizing the Flutter Supply Chain

  • Friday November 13th

    Fake It Til You Make It: POCing Kerberos N-Days for Clout

  • Friday November 13th

    From Zero to APT: Building an Offensive Cyber Capability in Six Weeks

  • Friday November 13th

    Glitching Sega: extracting game keys from Lindbergh arcade security dongles with a $4 microcontroller

  • Friday November 13th

    Mind the gap between the review and the checkout

  • Friday November 13th

    PathQuarry: Watching RL Agents Discover Privilege Escalation

  • Friday November 13th

    Pretend to be NOR: SPI Flash Emulation on Raspberry Pi Pico

Company intelligence

What does it mean when 21 companies show up, and 1 bet on three roles at once?

21 companies. one are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page, cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

Who's in the room
1All threespeak · spons · exh
15Sponsoringsponsor only
5Speakingspeaker only

In all three roles

Synacktiv

Speakers by seniority
  • Other roles23100%

Of 23 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1SynacktivSponsor · 8 bits2
2AconitSponsor · Friends-
3Black AlpsSponsor · Friends-
4CEASponsor · 8 bits-
5DataflowSponsor · 16 bits-
6DGSESponsor · 8 bits-
7EDFSponsor · 8 bits-
8EnsimagSponsor · Friends-
9Google CloudSponsor · 8 bits-
10inérciaSponsor · Friends-
11Misc MagazineSponsor · Friends-
12ph0wnSponsor · Friends-
13RandorisecSponsor · 8 bits-
14Root-Me PROSponsor · 16 bits-
Sponsors by tier
16 bits3
19% of 16
8 bits6
38% of 16
friends7
44% of 16
Related events · by shared sponsors
ConferenceDateCityShared sponsors
NODES 2026November 12, 2026Virtual2

Partner conferences

Listed on this event's own sponsor page