A cyber-attack struck three major broadcasters and two national banks in South Korea on Wednesday and initial reports suggest it may have come from North Korea. Officials are investigating, but the country is set on high alert.
Servers at television networks YTN, MBC and KBS along with those of Shinhan Bank and NongHyup Bank were hit, raising concerns of more to come.
Host Carmen Russell-Sluchansky spoke with Sung-Yoon Lee, an assistant professor with the Fletcher School at Tufts University, to discuss the story.
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