1. A developer who used to work for a company that creates hacking tools was targeted by mercenary spyware, according to his personal phone warning from Apple on March 5th. The developer, Jay Gibson, believes the attack may be connected to his departure from the company where he claims he was designated as a scapegoat for a damaging leak of internal tools.

2. Apple sends out threat notifications when there is evidence of targeted mercenary spyware attacks, which are often invisibly and remotely planted on someone's phone without their knowledge. The attack could be worth millions of dollars and can take months to develop.

3. Without a full forensic analysis of Gibson's phone, it's impossible to know who targeted him or why he was targeted. However, other exploit developers have reported similar threats from Apple in the last few months, suggesting that the proliferation of zero-days and spyware is starting to ensnare more types of victims.