Spear-phishing entails using somethings such as a personalized e-mail to trick someone into clicking on a malicious link or downloading a file. The attempted hacking of U. Things get a bit more terrifying when you learn what exactly China was after. This is the system the contains the codes for the football the collection of nuclear launch codes that the president has on him at all times. In this case, we took immediate measures to evaluate and mitigate the activity. Our actions are ongoing, and some have resulted in temporary outages and loss of connectivity for our users.
Our computers and systems have not been damaged, though some elements of the unclassified network have been affected. The temporary outages and loss of connectivity that users have been experiencing is solely the result of measures we have taken to defend our networks.
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Learn more and compare subscriptions content expands above. Full Terms and Conditions apply to all Subscriptions. Spear phishing in the past has been linked to China and other states with sophisticated cyber warfare capabilities.
The official described the type of attack as "not infrequent" and said there were unspecified "mitigation measures in place. The official said there was no impact or attempted breach of a classified system within the office. Security officials are investigating the breach and have not yet determined the damage that may have been caused by the hacking incident, the officials said. Despite the administration national security official's assertion, one defense official said there is fairly solid intelligence linking the penetration of the WHMO network to China, and there are concerns that the attackers were able to breach the classified network.
Details of the cyber attack and the potential damage it may have caused remain closely held within the U. It is not clear how such a high-security network could be penetrated. Such classified computer systems are protected by multiple levels of security and are among the most "hardened" systems against digital attack. However, classified computer systems were compromised in the past using several methods. They include the insertion of malicious code through a contaminated compact flash drive; a breach by a trusted insider, as in the case of the thousands of classified documents leaked to the anti-secrecy web site Wikileaks; and through compromised security encryption used for remote access to secured networks, as occurred with the recent compromise involving the security firm RSA and several major defense contractors.
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