Former US president Barack Obama in 2014 launched a cyberwar against North Korea's missile program but it has failed to make significant gains, The New York Times reported Saturday.
The United States still cannot effectively counter North Korea's nuclear and missile programs, the newspaper said following a months-long investigation, based on interviews with officials in the Obama and Donald Trump administrations as well as "a review of extensive but obscure public records."
North Korea's threats remain so dangerous that when Obama left office he warned Trump that this would likely be the most urgent problem he'd face, the Times said.
Three years ago Obama ordered the Pentagon to increase cyber and electronic attacks against North Korea to try to sabotage its missiles before launch or just as they lift off, the report said.
The program appeared to be successful, as several of the North's rockets and missiles failed soon after launch.
Advocates of the US program claimed success, believing that they had delayed for years North Korea's ability to mount a nuclear weapon on an intercontinental ballistic missile (ICBM) and threaten a US city.
Skeptics however said the failures could have resulted from shoddy manufacturing, disgruntled insiders and simple incompetence.
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