US uncovers 100,000 SIM cards that could have “shut down” NYC cell network

The US Secret Service announced this morning that it has located and seized a cache of telecom devices large enough to "shut down the cellular network in New York City." And it believes a nation-state is responsible.

According to the agency, "more than 300 co-located SIM servers and 100,000 SIM cards" were discovered at multiple locations within the New York City area. Photos of the seized gear show what appear to be "SIM boxes" bristling with antennas and stuffed with SIM cards, then stacked on six-shelf racks. (SIM boxes are often used for fraud.) One photo even shows neatly stacked towers of punched-out SIM card packaging, suggesting that whoever assembled the system invested some quality time in just getting the whole thing set up.

The gear was identified as part of a Secret Service investigation into "anonymous telephonic threats" made against several high-ranking US government officials, but the setup ...