Governments around the world is using Pegasus spyware to instantly infect targeted smart phone without you even noticing it.
How could you possibly avoid this spyware? I don't believe there there is any antidote against Pegasus 2 other than going old school phone.
How to Protect Your Phone from Pegasus and Other APTs
Apple patches iOS zero-day vulnerability exploited by Pegasus spyware
Pegasus Spyware – The Greatest Threat to Smartphone Security