cyberattack

The Biden administration, backed by U.S. allies, is publicly calling out Beijing for an attack this year on Microsoft's Exchange email server software that targeted computers worldwide.

The recent ransomware attacks on U.S. industries have sparked renewed talk of an international cyber agreement that could set rules for what's permissible, and spell out sanctions for violators.

The disruption in production sparked speculation that prices would skyrocket. But analysts say there will be little impact if JBS delivers on its pledge to be up and running on Wednesday.

Bill Siegel works with companies that fall victim to the same type of ransomware attack that disrupted fuel supplies across large parts of the South and East Coast last week.

More than 1,000 gas stations in the Southeast reported running out of fuel, primarily attributed to unwarranted panic-buying among drivers.

The massive pipeline, which supplies 45% of the East Coast's gasoline and jet fuel, was forced to shut down over the weekend. The company says it has one line operating under manual control.

Computer hackers are demanding as much as $40 million in ransom to prevent leaking personal information about students in Broward County Public Schools.

A virtual school year for students in Miami-Dade County Public Schools had a rocky start due to software glitches and a cyberattack.

Palm Beach County, which has experienced myriad elections issues in recent years, says that its elections office was breached by a ransomware attack before the 2016 election.

Four years after Russians hacked the Clinton campaign's emails, political candidates are scrambling to beef up their defenses against cyberattacks. Many politicians haven't updated their security.

After the U.S. killed Iran's top military leader, government officials and security experts say Iran could retaliate with cyberattacks ranging from destroying data to defacing websites.

Two city managers talk about why they made different decisions on paying hackers the ransom.