Israeli spyware that can basically worm into any phone via text message (I don’t think they even have to be opened). That said, you’re likely not being targeted by Pegasus - just some other weird phishing / SIM swamp campaign
Discussion
How do I know if it is successful. How do I put a wall?
Unfortunately I’m not one of the technical guys. I just know these things are out there. I’d ask one of the trusted people at Nostriga is they have a technical expert who can help / assess for you. There is also certainly a number of people there who can help.