The US has detected increased Russian military activity around key undersea cables, and believes Russia may now be more likely to carry out potential sabotage operations aimed at disabling a critical ...

A new warning urges defense companies to increase security and to be on the lookout for surveillance and signs of trespassing. By Julian E. Barnes Julian Barnes covers American intelligence agencies ...

Federal officials issued a warning just days before the attack. Just three days before two electrical substations were shot up, causing tens of thousands of customers to lose power in North Carolina, ...