A dim living room, late evening. The older brother sits between his two younger s...

A dim living room, late evening. The older brother sits between his two younger siblings, their faces lit by the glow of a tablet. He gently takes the device from the youngest as a suspicious friend request pops up. “Listen,” he says firmly but warm, “hackers pretend to be friendly. If you don’t know them, don’t trust them.” The kids nod, leaning closer. He taps Decline, then adds, “I’m here to...