China Hackers Got Past Costly U.S. Computer Security With Ease

The hackers who stole personal data on 4 million government employees from the U.S. Office of Personnel Management sneaked past a sophisticated counter-hacking system called Einstein 3, a highly-touted, multimillion-dollar and mostly secret technology that’s been years in the making.

It’s behind schedule, the result of inter-agency fights over privacy, control and other matters, and only about half of the government was protected when the hackers raided OPM’s databases last December.