All the videos for this are already recorded and with the editor. My ask is that folks buy the Bluetooth RX/TX hardware needed for the class now, so that they’re ready to roll when the beta opens. The hardware will be reused in future #OST2 BT classes too.

Time is flying and I’m having fun :) I didn’t release any OST2 classes last year, because Veronica Kovah and I have been working on a big (easily 5+ days) Bluetooth Low Energy class for the last year & I also have a separate 1 day Blue2thprinting class that’s opening for beta now

The latest thinking on BT learning path. I’m currently working on BT1001 material while BT2222 videos are being edited.

⚠️ Even if patches exist, you can't guarantee they're applied. CVE-2025-21477 (Qualcomm, 90+ chipsets) and CVE-2025-20658 (MediaTek, 80+ chipsets) may affect phones, cars, and IoT devices.

🔍 Full paper: 📄 syssec.kaist.ac.kr/pub/2025/LLFuz… 💻 github.com/SysSec-KAIST/L… (coming soon) 📢 USENIX Security 2025 Authors: Hoang Dinh Tuan , Taekkyung Oh , CheolJun Park, INSU YUN , Yongdae Kim ([email protected]) #LLFuzz #BasebandSecurity #Fuzzing #CyberSecurity #USENIXSecurity

This is a similar problem to with Bluetooth, except that phones have a much more robust patch management story, since they’re on the actual internet. In contrast many “internet of things” devices aren’t capable of getting on the internet, so they need e.g. a phone to update them

I don’t like the term “Internet of Things” for things which literally can’t get on the internet by themselves (i.e. don’t support IP networking). “Piconet(s) of things” would be better, because they’re a bunch of disparate piconets which may or may not connect to the internet