https://forum.defcon.org/ BLE CTF is a series of Bluetooth Low Energy challenges in a capture the flag format. It was created to teach the fundamentals of interacting with and hacking Bluetooth Low Energy services. Each exercise, or flag, aims to interactively introduce a new concept to the user. en Tue, 19 May 2026 04:48:02 GMT vBulletin 60 https://forum.defcon.org/images/misc/rss.png https://forum.defcon.org/