I mean, any program you didn’t make isn’t truly secure from your POV, that’s all there is to it. And since this affects their governmental employees only it’s more than reasonable.
Is that all there is to it? Signal is open source. If they wanted to be extra paranoid they could take and maintain their own branch but that’s a bit silly. Building your own is almost certainly the least secure option
I mean, any program you didn’t make isn’t truly secure from your POV, that’s all there is to it. And since this affects their governmental employees only it’s more than reasonable.
Is that all there is to it? Signal is open source. If they wanted to be extra paranoid they could take and maintain their own branch but that’s a bit silly. Building your own is almost certainly the least secure option