The new DMZ is not in the hills of Cheorwon, the town on South Korea's northeastern border — it’s in your company Slack chat. For decades, the Korean Peninsula has been understood through a deceptively simple image: a line that is fixed, fortified and visible. The 38th parallel, reinforced by concrete and wire, did more than divide territory — it shaped how security itself was imagined and how the North Korean “threat” was managed. Threats were external, legible and often deliberately performed, whether through missile launches, artillery movements or blustering rhetoric threatening to wipe the already-fragile peace off the table. That model is obsolete. The most consequential North Korean “incursion” today may not be unfolding at the border but within systems that were never designed to be treated as security environments. It’s taking place inside companies — quietly, routinely and often outside our line of sight. Recent reporting on the DPRK’s remote IT worker schemes and resulting sanctions designations from the U.S. Treasury’s Office of Foreign Assets Control, p