Can we truly achieve "Zero Trust" if a human—the weakest security link—holds the final kill switch? As AI accelerates both innovation and threat velocity, security teams must confront a critical question: Should enforcement remain human-controlled, or is autonomous security the only way to scale Zero Trust? Zero Trust was built on the principle of “trust, but verify.” But verification at machine speed challenges the traditional human-in-the-loop model. When attackers move laterally in seconds, does waiting for human approval introduce risk—or preserve accountability?