Agents discovered electronic devices in five locations in and around the city that could be used to disable cellphone towers.

While close to 150 world leaders prepared for the U.N. General Assembly, the U.S. Secret Service was quietly dismantling a massive hidden telecom network across the New York area.

Kamala Harris shares her family's Secret Service code names for the first time in her new memoir, 107 Days. Harris's code ...

The devices could conduct denial of services attacks and could facilitate other illicit telecommunication attacks, the agency ...

Secret Service seized 300 SIM servers and 100,000 SIM cards that could have shut down the cellular network in New York.

While close to 150 world leaders prepared to descend on Manhattan for the U.N. General Assembly, the U.S. Secret Service was ...

The U.S. Secret Service dismantled a threat to national cell service on Tuesday at multiple sites in New York City concentrated within 35 miles of the United Nations General Assembly where world ...

Britain’s foreign intelligence service, MI6, is launching a new online portal called Silent Courier, aimed at using the dark web to entice potential spies to send it secrets, particularly targeting ...

The assassination of conservative activist Charlie Kirk last week, which the Secret Service studied closely for lessons, ...

There is “absolutely no evidence” that Russia’s Vladimir Putin wants to negotiate peace in Ukraine, the head of Britain’s ...