https://arstechnica.com/information-technology/2022/07/introducing-lockdown-from-apple-the-coolest-defense-youll-probably-never-use/

Mercenary spyware is one of the hardest threats to combat. It targets an infinitesimally small percentage of the world, making it statistically unlikely for most of us to ever see. And yet, because it selects only the most influential individuals (think diplomats, political dissidents, and lawyers) sophisticated malware private companies sell to nation-state governments—many with documented human-rights abuses—has a devastating effect that’s far out of proportion to the small number of people infected.