As per https://conference.hitb.org/ page
HITBSecConf, or the Hack In The Box Security Conference, has firmly established itself as an annual cornerstone in the calendars of security researchers and professionals across the globe. Held in Kuala Lumpur, Malaysia, and Amsterdam, The Netherlands, HITBSecConf serves as a preeminent platform for the exploration and dissemination of next-generation computer security challenges and innovations. HITBSecConf has, over the years, evolved into a dynamic forum where groundbreaking ideas are exchanged, exceptional talents discovered, and ingenious contributions to cybersecurity celebrated.