As the title says. Has anyone else read about this looks interesting?
Reminds me of encrochat and sky.
From some people I know in EU I have heard that some of these phones that used "matrix/totalsec" used GrapheneOs as the OS. Can be false but this is what i have heard (rumours as I have stated) or maybe I have missunderstood and it was a completey different OS on these phones and that used a messaging service only.
Anyone has any information about this messaging serivce , what kind of protocol was used and so on.
https://cybernews.com/cybercrime/authorities-take-down-matrix/