EuskalHack Security Congress sixth edition is a new proposal from the EuskalHack Computer Security Association, with the aim to promote the community growth and the culture in the digital security field. As usual, in this new edition proximity to our public and technical quality will be our hallmarks. This exclusive conference is shaping up as the most relevant in Basque Country, with an estimated 200 attendees for this sixth edition. The participants include specialized companies, public organisms, state security organizations, professionals, hobbyists and students in the area of security and Information Technology. The date for the conference is the 23th and 24th of June 2023 in the lovely city of Donostia San Sebastian.