Security Fest 2018 Challenge Badge
USB HID and serial puzzle badge
A simple Security Fest 2018 challenge badge with USB-A, two buttons, four DIP switches, red/green LEDs, HID text output, serial puzzle flow, and an open SecBadge hardware repository.
Tag dossier
Badge records tagged with Security Fest, across Sweden.
USB HID and serial puzzle badge
A simple Security Fest 2018 challenge badge with USB-A, two buttons, four DIP switches, red/green LEDs, HID text output, serial puzzle flow, and an open SecBadge hardware repository.
Blinky Gothenburg tram badge
A conservative first-pass record for Security Fest's 2022 tram-inspired badge, remembered in later badge writeups as a fun blinky object inspired by Gothenburg trams with a Rickroll reference.
UV-printed cyberpunk skyline CTF badge
A full-colour UV-printed Security Fest badge inspired by Gothenburg's skyline with a cyberpunk treatment, backside-mounted components, Micro-USB CTF interface, cryptography puzzles, and soldering-village LED personalization.
Music-and-airship CTF building badge
A Security Fest 2024 badge shaped around Gothenburg's Feskekôrka fish-market landmark, with piano/touch-key gameplay, an airship story CTF, LEDs, USB-C serial interaction, and documented attendee/speaker/crew variants.