Update to article posted on the hack.
The hack involves the NTIA’s office software, Microsoft’s Office 365. Staff emails at the agency were monitored by the hackers for months, sources said.
https://www.reuters.com/article/uk-usa-cyber-treasury-exclusive-idUKKBN28N0PI?taid=5fd673ee7973b10001e63dea&utm_campaign=trueAnthem:+Trending+Content&utm_medium=trueAnthem&utm_source=twitter