Have you ever had an idea you couldn’t quite shake? Something that worms it’s way into your brain for one reason or another and just wont leave. Always on the backburner, thinking about it in the shower every day, in the bed as you go to sleep at night, zoning out in the living room, for as long as you can remember?

I was a Private Internet Access (PIA) customer for many, many years. Some recent changes spurred me to look for a new VPN provider and I ended up landing on ProtonVPN which I’ve been using for a few months now.

Symbian OS, Android, Radio Frequencies, BTSNOOZ, BTSNOOP, and getting kicked in the teeth. Below follows a chronicling of deciding to explore Bluetooth by hacking the firmware for a Fitbit Smartwatch and realizing I was in way over my head and slowly trying to regain any hope of understanding.

So far I’ve managed to have just enough reverse engineering skills as is useful to me at the time, but recently I’ve taken an interest in getting a bit more in depth. My son was ill last week and home from daycare, so I took it upon myself to take the time to watch HackadayU: Reverse Engineering with Ghidra (~4 hours).

Recently I stumbled across a thread on Reddit r/AskNetsec Now, without looking at the post: What do you think the answers looked like? If you guessed a lot of people saying “You don’t” or “You can’t”, give yourself a pat on the back because you guessed correctly!