Published: Dec. 17, 2020, 9:55 p.m.
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What Russia hacked this time. Why America\\u2019s biggest companies are laying people off during a pandemic \\u2013 while boasting record profits. And new coronavirus tests you can take at home.
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The U.S. government spent billions on a system for detecting hacks.
The Russians outsmarted it, as national security reporter Ellen Nakashima explains.
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