As per https://www.hackinparis.com/about/hack-in-paris/ page
Created in 2011, by SysDream, Hack In Paris came from the idea of Paulo PINTO, known as CrashFR. The main purpose of the event was to promote ethical hacking to compagnies and professionals.
Hack In Paris became one of the first french cybersecurity event offering diverse content held over the course of a week. From 3 days of trainings followed by 2 days of conferences all given by international cybersecurity experts. All of them being meticulously chosen by the review board composed by recognized professionals and the best of SysDream experts.
Due to the constant growing demand, Hack In Paris, has known to renew itself by offering new topics every year as well as new content like workshops, challenges, giving opportunities to professionals in cybersecurity and passionates to constantly improve their knowledge, and learn while having a good time with their peers.