https://www.reuters.com/article/us-people-bezos-saudi-explainer/explainer-bezos-allegations-put-phone-hacking-technology-in-the-spotlight-idUSKBN1ZN2FI >Allegations that Amazon.com boss and Washington Post owner Jeff Bezos had his phone hacked by Saudi Crown Prince Mohammed bin Salman have put a spotlight on the security of smartphones and the secretive tools used to hack them.