The Department of Defense has confirmed that hackers have attacked the Pentagon's Joint Staff unclassified email system, according to The Hill.
Officials believe the hackers are tied to a Russian hacking group based out of Moscow. The hackers gained access to the email system around July 25, and thousands of DOD workers did not have email for approximately two weeks following the hack, according to the report.
A DOD spokeswoman told The Hill the servers are still down. "We continue to identify and mitigate cybersecurity risks across our networks. With those goals in mind, we have taken the Joint Staff network down and continue to investigate," she said.
The hackers conducted a spear phishing attack, according to CNN.
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