How about notifying those contacts whose private details they illicitly obtained that their privacy has been compromised
Because there's a difference between "we screwed up and obtained this" and "we screwed up, obtained this, then used it. Hope our use didn't result in any problems for you."
Because there's a difference between "we screwed up and obtained this" and "we screwed up, obtained this, then used it. Hope our use didn't result in any problems for you."