WASHINGTON – The White House’s unclassified computer network was recently breached by intruders, a US official said Tuesday, with The Washington Post newspaper reporting that the Russian government was thought to be behind the act.
“In the course of assessing recent threats, we identified activity of concern on the unclassified EOP network,” said the White House official, speaking on condition of not being named.
“Any such activity is something we take very seriously. In this case, we took immediate measures to evaluate and mitigate the activity.”
The Washington Post quoted sources as saying hackers believed to be working for the Russian government were believed to be responsible.
The hackers entered the US presidential mansion’s unclassified computer network in recent weeks, the Post quotes the sources as saying.
In a statement, the White House official said the Executive Office of the President receives daily alerts concerning numerous possible cyber threats.
In the course of addressing the breach, some White House users were temporarily disconnected from the network.
“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 for our users is solely the result of measures we have taken to defend our networks,” the official said.
No additional information was immediately available.
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Related Notes: Earlier this month, iSight Partners revealed that a threat group allegedly linked with the Russian government had been leveraging a Microsoft Windows zero-day vulnerability to target NATO, the European Union, and various private energy and telecommunications organizations in Europe. The group has been dubbed the “Sandworm Team” and it has been using weaponized PowerPoint files in its recent attacks. Researchers at Trend Micro believe the Sandworm team also has their eyes set on compromising SCADA-based systems.
Related: FireEye Links Russia to Cyber Espionage Campaign Dating Back to 2007
