US SB3249

Establishes an interagency committee within one year to coordinate U.S. government efforts on protecting subsea telecommunications infrastructure, streamlining cable licensing and permitting, and improving resilience against sabotage

Authorizes sanctions against foreign persons responsible for sabotaging critical undersea infrastructure, including property blocking, visa revocation, and penalties under the International Emergency Economic Powers Act

Requires the Secretary of State to assign at least 10 full-time staff to address critical undersea infrastructure issues and submit multiple reports on Chinese and Russian subsea cable activities, suspected sabotage incidents, and international engagement efforts

Mandates intelligence community assessment of 10+ specific suspected sabotage incidents from 2022-2026, including the Nord Stream pipeline explosions, Baltic Sea cable cuts, and Taiwan Strait telecommunications damage

Directs enhanced information sharing procedures between federal agencies and private sector cable owners/operators to improve threat detection, response coordination, and protection of approximately 95% of global data transmitted via undersea cables