Donald Trump makes a campaign stop in Scranton, Pa., on Wednesday. He faced a day of harsh criticism from across the political spectrum for appearing to urge Russia to hack his Democratic rival's email.
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Katherine Archuleta announced Friday that she is stepping down as the director of the Office of Personnel Management, following a breach of databases that hold federal workers' personal information.
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Dmitri Alperovitch, co-founder of the cybersecurity startup CrowdStrike, says his company is building stockpiles of intelligence about potential hacking groups.