A little-discussed detail in the Lavender AI article is that Israel is killing people based on being in the same Whatsapp group [1] as a suspected militant [2]. Where are they getting this data? Is WhatsApp sharing it?
Lavender is Israel's system of "pre-crime" [3] - they use AI to
There is functionally no way to hide this kind of information from a state actor short of some onion routing scheme mesh networking.
Signal does a decent job just out of the box.