A solar coronal mass ejection or EMP burst can flat out destroy all unshielded electronics by shorting them out with excess radiation. More dangerous is CRIMINALS using military spec FLIR cameras to illegally surveil you and steal private information. Today's FLIR cameras have a range of up to 150 to 200 meters away. A Faraday shield is one measure against this kind of illegal modus. Military spec FLIR cameras can reveal tongue movements and record self musings and conversations surreptitiously and explicitly..