Jeff Bezos phone hacking incident
In January 2020, FTI Consulting claimed that in May 2018 with "medium to high confidence" the phone of Jeff Bezos had been hacked by a file sent from the WhatsApp account of the crown prince of Saudi Arabia, Mohammed bin Salman. The Saudi Arabian embassy to the United States has denied the allegations.
Source: Wikipedia — Jeff Bezos phone hacking incident (CC BY-SA 4.0)