We have rarely seen this many details about the incomprehensibly complex type of attacks being thrown at us. Researchers have documented a mostly understood combination of multiple 0-days that have been available until recently on iOS.

https://9to5mac.com/2023/12/27/most-sophisticated-iphone-attack-chain-ever-seen/

#ccc2023

'Most sophisticated' iPhone attack chain 'ever seen' used four 0-days to create a 0-click exploit - 9to5Mac

Between 2019 and December 2022, an extremely advanced iMessage vulnerability was in the wild that was eventually named “Operation Triangulation”...

9to5Mac