You may be thinking of the case where a video file was specially crafted to cause the media player on Tails to make a direct connection? https://www.schneier.c

You may be thinking of the case where a video file was specially crafted to cause the media player on Tails to make a direct connection? https://www.schneier.com/blog/archives/2020/06/facebook_helped.html https://www.schneier.com/blog/archives/2020/06/facebook_help...