grehack.org

grehack.org is a live English-language website hosted on OVH SAS (AS16276) in France, served by Apache. cl0q first saw it on 2026-06-16 and last crawled it on 2026-06-21. It resolves to 137.74.171.55 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

GreHack - Security, Ethical Hacking conference and Capture The Flag CTF in Grenoble, France

GreHack 2012 is an ethical hacking conference and capture the flag. It is organized by SecurIMAG, the Ensimag hacking club. Program committee includes member from CEA-DAM, Intel, Verimag, LIG, UJF. Sponsors includes CEA-DAM, Ensimag, Hewlett-Packard, Codenomicon, Charlie Miller.