Comment by silent_speech

If your device is hacked at the firmware level, it can be turned into a microwave weapon and used against you. (My hypothesis of the cause of Havana Syndrome: hacked cell transmitters beaming microwave at targets.)

Tech Ingredients (YouTube creator) made an instructional video about how microwaves work and how to defend against them: "https://www.youtube.com/watch?v=Lg_aUOSLuRo".