[A_perfect_lady]

It’s THE most secure private messaging app available. I’m pretty security focused (some would say obsessive!), and a good researcher. No government controls Signal. No backdoors for spying, which drives the IC guys nuts worldwide.

MalPearce says just the opposite, that Signal should never be used for anything above Confidential information, so now I'm really confused.

[MalPearce]

No, it’s quite simple.

The TOPIC of the chat is the key, second factor is, is the conversation one that BY LAW has to be recorded and kept.

Talking to your boss about a grievance - in confidence - Signal is ok.

Talking to a concierge about a business trip is also ok.

Comparing notes before an official government meeting - also ok.

Using it to discuss a military operation - not ok.