As world leaders gathered for the U.N. General Assembly, the U.S. Secret Service dismantled a hidden telecom network in New York capable of crippling cell towers and jamming 911 calls. Officials say the system, built from more than 300 SIM servers and over 100,000 SIM cards, could have paralyzed the city’s communications at a critical moment.
Discovery of a Massive Network
The servers, spread across multiple sites within 35 miles of the U.N., functioned like banks of mock cellphones able to flood networks with millions of calls and texts. Investigators uncovered the operation while probing threats against senior government officials.
Potential for Catastrophe
Special Agent Matt McCool warned the system could have triggered a citywide blackout, cutting off emergency services during a high-profile international event. “Use your imagination—it could be catastrophic,” he said.
Early Forensic Findings
Authorities have found no direct plot targeting the U.N. meeting, but they suspect nation-state actors used the network to send encrypted messages to organized crime groups and terrorist organizations. Analysts are now combing through data from the 100,000 active SIM cards.
Expensive, Well-Funded Operation
Agents discovered shelves of SIM cards, many already activated, with capacity to send up to 30 million text messages a minute. Investigators believe operators were preparing to double or triple the network’s reach.
Ongoing Concerns
Officials caution that similar hidden systems may exist elsewhere in the United States.
“It’d be unwise to think that there’s not other networks out there,” McCool said, underscoring the Secret Service’s focus on prevention and rapid response.
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