We haven't gone as far as a Faraday Cage inside an anechoic chamber because we think the risks of these attacks is (luckily) not big enough (yet) for now to jus

We haven't gone as far as a Faraday Cage inside an anechoic chamber because we think the risks of these attacks is (luckily) not big enough (yet) for now to justify these. Eventually though? Maybe. There's also projects to guess keystrokes based on sound which don't even require you to be on the host device https://news.ycombinator.com/item?id=29266783 https://news.ycombinator.com/item?id=29266783