Security conference talks fall into two categories * we designed a distributed entropy siphon to perform a black-box hypervisor side channel escape and chain-load a persistent rootkit into the CPU cache * we looked behind the sofa and found an entire industry of products/services that have made no attempt at security at all and are therefore vulnerable to the most basic issues that we've been finding in everything for the past 30 years, and no-one else had bothered to look.
This Sony Vaio laptop circa 2010 has, among other issues, a leaking NiMH CMOS battery instead of a regular lithium cell. Party like it's the 1990s Varta bombs.
Unearthing an Android app that hasn't been compiled in years is always fun. You have SDKs, JDKs, Android Studio telling you to install a different Gradle every step of the way, small Gradle syntax changes, library dependencies that were lost to the JCenter shutdown...
A cheap window air conditioner gave me quite the scare a while back. Control panel was acting weird and eventually started making arcing sounds. Looks like the switching power supply for the electronics failed catastrophically.