Shuman Ghosemajumder explains how generative AI has transformed from a creative curiosity into a high-scale tool for disinformation and fraud. He shares insights on "Disinformation Automation," the fallacy of CAPTCHA in an AI world, and why engineering leaders must adopt zero-trust "cyber fusion" strategies to defend against automated attacks that mimic human behavior with chilling accuracy. By Shuman Ghosemajumder