Project Sekai CTF

Project SEKAI is an innovative Capture The Flag (CTF) team that is actively engaged in competitive cybersecurity challenges. Known for their dynamic participation, the team frequently showcases their skills through various contests and events, such as the SASCTF competitions, including the 2025 qualifiers that cover a range of themes from web exploitation to reverse engineering. In addition to competition experiences, Project SEKAI also serves as a hub for community engagement, offering a blog that shares insights and strategies related to cybersecurity.

The brand is rooted in the vibrant culture of tech enthusiasts and gamers, inspired by collaborations with iconic entities such as SEGA and Craft Egg Inc., particularly through their connection to the "Project SEKAI: Colorful Stage! feat. Hatsune Miku" theme. Project SEKAI aims to elevate the CTF experience for participants and spectators alike, while fostering a supportive network for budding talent in the cybersecurity realm. Their commitment to learning and collaboration enhances the landscape of competitive cybersecurity.