:drillsergeant: :whistleblower:
He should be handed over to the civil authorities. I don't know about France, but if my U.S. employer hired someone to access my private account, and the used it not only against me, but against others through it, ALL of us could have him arrested and charged.
I do hope he repents of this sin, along with all who knowing,y participated.
It should serve as a reminder, however, to remember NOTHING on-line is secret. If you want to discuss secret matters, best to do it face-to-face.