US agencies warn of Russian cyber threats to critical infrastructure

CISA, the NSA, the FBI, DC3, and international partners jointly warned on July 14, 2026, of Russian cyber threat activity directed at critical infrastructure across the United States and abroad.

According to CISA, the targeted sectors include communications, energy, and government, along with additional critical infrastructure areas the advisory does not specify by name.

The advisory was co-signed by domestic intelligence and law enforcement agencies alongside unspecified international partners, CISA said.