North Korea has engaged in a wide-ranging effort to place remote workers at U.S. companies in order to funnel money back to its coffers and, in some cases, steal sensitive information.
Jo, as he came to be known to the cybersecurity experts watching his every move, was a hard worker.
He rose early, usually by 5 a.m. ET, and worked late into the night, often six days a week. Jo juggled three jobs and constantly applied to more — som... [21289 chars]