In a word — brilliant! Interesting topics ranging from exploits (POS, iOS Jailbreak) to overview presentations (C2 Matrix, North Korea's activities).
Particularly fascinating was the talk on controlling voice assistants with light. This has been known for some time and manufacturers keep trying various technical tricks to shield the sensors — unsuccessfully. The attack is still viable. So watch out for lasers.
Like my colleagues, I've got one of these little toys too. A toy... well, there are endless things you can do with it. First up — cloning access cards and tokens. Last year I needed a copy of a token and the copy just wouldn't work — nothing happened when I held it up to the reader...
I was given the opportunity to present at the IS2 conference on the topic of Ransomware. It wasn't just a presentation though — it also required a paper for the conference proceedings. That was new for me; I'd never written anything like it before. It's a bit like a seminar pap...