https://www.vice.com/en_us/article/3aq9q3/apple-patches-zero-click-imessage-hack-used-by-nso

Apple has released an urgent patch to fix a major vulnerability in iMessage that was being used to target iPhone users. 

Security researchers found the vulnerability when they were investigating the potential hack of a Saudi activist’s iPhone, according to a new report by Citizen Lab, a digital rights group housed at the University of Toronto's Munk School that has investigated NSO spyware for years.