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Why this ransomware attack is more alarming than the last

Jun 28, 2017
Chester Wisniewski, senior security researcher with Sophos, talks to us about the latest cyber breach.
Is your computer safe?
Sean Gallup/Getty Images

Hospitals could be doing more to prevent cyber attacks

Mar 29, 2016
Expert says too often hospitals beef up security after an attack.
A patient lies in his hospital room with an EKG on a bedside workstation at the Indiana Heart Hospital.
Mike Simons/Getty Images

Can America weather a cyber attack on its power grid?

Dec 1, 2015
A conversation with former ABC News anchor Ted Koppel.

For Xi Jinping's U.S. Visit, it's money before politics

Sep 22, 2015
Chinese President Xi Jinping arrives in Seattle today for a week-long state visit.

Cyber warning as China's president prepares to visit the U.S.

Sep 18, 2015
As Xi Jinping prepares to visit the U.S., some balk at the country's suspected involvement in cyber attacks.