Cybersecurity - Memes

It somehow reminds me of a rant I heard from a Microsoft office instructor. They would teach office products and basically every class would go "yeah if you crop an image in word the cropped portions are still viewable, so if you rely on that for redaction you're not actually redacting anything unless you do X to permanently remove cropped parts of an image"

Without fail at least 3 people would get an "oh fuck" look on their face and urgently leave the room.