Also running Microsnitch - https://obdev.at/products/microsnitch/index.html. Source: over 2 years ago

I got Micro Snitch [1] as part of a bundle with Little Snitch years ago and have just had it running for cases like this. I'm fortunate to not have run into this issue, but I like the peace of mind of knowing exactly if I do. [1]: https://obdev.at/products/microsnitch/index.html. - Source: Hacker News / over 2 years ago

> … 'coreaudiod', because it apparently is constantly listening to the microphone built in near the keyboard and spending cpu cycles trying to filter out background noise. Apparently running the signal desktop app in the background is enough to keep coreaudiod constantly wasting battery. Because signal is open and has been granted permissions for microphone and speakers, even if no call session is open? There’s... - Source: Hacker News / over 2 years ago

Do not use them! Apple doesn’t recommend anything thicker than a sheet of paper. So, if you want a cover, cut a piece of Post-it note or something like that. You can also check out OverSight or Micro Snitch for a software approach to improved privacy. Source: almost 3 years ago

Get Netlimiter and you can limit Steam and anything else you want to use practically no bandwidth. Source: about 3 years ago

On Windows, the classic tool to solve this problem is called NetLimiter, and it allows you to control bandwidth usage on a per-app basis. I used it back in my Win98 days and it was fantastic, and probably still is. Source: about 3 years ago