Twitter Races to Unravel How Cyber-Attack Came From Inside
The Twitter Inc. logo is displayed outside the company’s headquarters in San Francisco, California, U.S. (Photographer: David Paul Morris/Bloomberg)

Twitter Races to Unravel How Cyber-Attack Came From Inside

(Bloomberg) -- As Twitter Inc. grapples with the worst security breach in its 14-year history, it must now uncover whether its employees were victims of sophisticated phishing schemes or if they de...
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