National Nuclear Security Administration, Chinese hackers
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The Senate draft of a defense policy bill would reclassify National Nuclear Security Administration employees.
Iranian diplomats said they held "frank and detailed" nuclear talks on Friday with counterparts from Germany, Britain and France, who have threatened to trigger sanctions if Tehran fails to agree a deal on uranium enrichment and cooperation with UN inspectors.
The US government agency in charge of designing and maintaining nuclear weapons was among those breached by a hack of Microsoft's SharePoint server software.