Link leads to a live broadcast at Chaos Computer Congress right now but there will be a full recording with translations of the talk available later on. It has incredible insights, like US spy agents acting with laser systems to pick up conversations from the opposite building and implanting bugging devices in the bottom of fire extinguishers or inside of the phones of his visitors. Julian tried to defeat the attacks with talks in the bathroom while the shower was running, dozens of speakers for white noise generation in his room etc.