NEW YORK — The U.S. Secret Service has dismantled a network of electronic devices throughout the New York tristate area that were used to conduct multiple telecommunications-related threats directed toward senior U.S. government officials, posing an imminent risk to the agency’s protective operations.

The investigation uncovered more than 300 co-located SIM servers and 100,000 SIM cards across multiple sites. According to the agency, these devices had the capability to carry out anonymous telephonic threats and a range of telecommunications attacks, including disabling cell phone towers, enabling denial-of-service attacks and facilitating encrypted communication between potential threat actors and criminal enterprises.

Forensic examination is ongoing, but early analysis indicates cellula

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