BE Modded: Exploring and hacking the Vital Bracelet ecosystem
cyanic
39th Chaos Communication Congress (39C3): Power Cycles · Day 3 · Saal Fuse
In this insightful talk from 39C3, security researcher cyanic takes attendees on a deep dive into the **Bandai Vital Bracelet** ecosystem, a series of fitness-tracking toys that allow users to raise digital characters on their wrist. The presentation meticulously dissects the hardware, firmware, and associated companion applications, uncovering numerous security vulnerabilities and demonstrating advanced modding capabilities. cyanic’s work highlights the often-overlooked security posture of consumer electronics, particularly those designed for a younger audience or with a focus on novelty over robust protection.