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Secret Service Dismantles Covert SIM-Server Network Near U.N., Citing Imminent Telecom Threat

Early forensics point to contacts between foreign actors and individuals known to U.S. law enforcement, with attribution and arrests pending.

Overview

  • Agents seized more than 300 SIM servers and roughly 100,000 SIM cards across multiple sites within 35 miles of U.N. headquarters in New York.
  • Investigators say the system could disable cell towers, jam 911 calls and flood networks, with capacity estimated at up to 30 million texts per minute.
  • The discovery stemmed from a Secret Service protective‑intelligence probe launched after telecommunications threats against senior U.S. officials in the spring.
  • The network has been dismantled and no immediate threat remains, as a multiagency forensic review of the seized devices continues with DHS/HSI, DOJ, ODNI and the NYPD.
  • Officials have not announced arrests; some outlets reported an unconfirmed possible link to China, which the Secret Service has not publicly validated.