Cybersecurity incident — 2016-12-16 00:00:00
Affected organization: Department of Defense
Affected country: United States of America
Industry: Public Administration
Event type: Mixed
Event subtype: Exploitation of Application Server,Internal Denial of Service
Motive: Sabotage
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

Russian hackers reportedly launched a targeted cyberattack on the Pentagon in August 2015, which saw the unclassified email system used by the Joint Chiefs of Staff hijacked, leaving the data of nearly 3,500 military personnel and civilians vulnerable to exposure.