Ellen Nakashima

In the spring, U.S. officials suspected Israel intended to kill Iran’s top negotiators and sent a warning to Tehran to take precautions.

The secretary of state plans to convene foreign ministers in Washington next week. The event has unsettled some U.S. and European officials.

President Donald Trump is planning a primetime address Thursday that will use findings from reexamined government files to argue that the country’s election infrastructure has vulnerabilities.

U.S. intelligence agencies have assessed that Iran was likely behind a coordinated cyberattack on more than 30 municipal water systems in Minnesota this week, according to several U.S. officials.

The agencies have assessed that Iran was likely behind a coordinated cyberattack on more than 30 municipal water systems in Minnesota this week, according to several U.S. officials.

An alert from the FBI and the Environmental Protection Agency warned that “malicious cyber actors” have been remotely tampering with water systems.

Federal authorities are warning that critical infrastructure systems in the United States could be at risk after at least seven states reported cyberattacks that interrupted their water or wastewater operations this week.

As lawmakers call for protections after incidents in 12 states, an EPA rule that Republicans fought would “remove most of the low-hanging fruit,” a cybersecurity chief said.

A surveillance plane flew from El Salvador toward the fishing boats before drones attacked, flight data shows.

The move marks a significant shift, as previous administrations barred companies from “hacking back” against foreign criminal groups for fear of geopolitical blowback.