An internal US Navy review concluded that the service and its various industry partners are "under cyber siege" from Chinese hackers who are building Beijing's military capabilities while eroding the US's advantage, The Wall Street Journal reported March 12, 2019.
Chinese hackers have repeatedly hit the Navy, defense contractors, and even universities that partner with the service.
"We are under siege," a senior Navy official told The Journal. "People think it's much like a deadly virus — if we don't do anything, we could die."
Breaches have been "numerous," according to the review. While China is identified as the primary threat, hackers from Russia and Iran have also been causing their share of trouble.
Sailors stand watch in the Fleet Operations Center at the headquarters of US Fleet Cyber Command/US 10th Fleet, Dec. 14, 2017.
(US Navy Photo by Mass Communication Specialist Samuel Souvannason)
Secretary of the Navy Richard Spencer launched the recently concluded review in October 2018, warning that "attacks on our networks are not new, but attempts to steal critical information are increasing in both severity and sophistication."
"We must act decisively to fully understand both the nature of these attacks and how to prevent further loss of vital military information," he added.
In one high-profile incident lin 2018, Chinese government hackers stole important data on US Navy undersea-warfare programs from an unidentified contractor. Among the stolen information were plans for a new supersonic anti-ship missile, The Washington Post reported in June 2018, citing US officials.
That and a second breach led Navy leadership to order the review.
The Journal described the findings of the internal Navy cybersecurity review as "dire," adding that the report "depicts a branch of the armed forces under relentless cyberattack by foreign adversaries and struggling in its response to the scale and sophistication of the problem."
The Navy and the Pentagon reportedly "have only a limited understanding of the actual totality of losses that are occurring," meaning the situation could be even worse than the Navy fears.
Last week, The Journal reported that Chinese hackers have targeted more than two dozen universities in the US and elsewhere in an attempt to steal military secrets, particularly those related to maritime technology.
(US Navy Photo)
The Navy is not the only US military service branch in China's crosshairs.
Adm. Philip Davidson, head of US Indo-Pacific Command, told the Senate Armed Services Committee in April 2018 that Beijing is snatching anything not nailed down — "stealing technology in just about every domain and trying to use it to their advantage," Stars and Stripes reported.
A US defense official previously told The Journal that China was targeting America's "weak underbelly," saying that cybersecurity breaches are "an asymmetric way to engage the United States without ever having to fire a round."
China has repeatedly denied engaging in cyberattacks against the US or other countries.
This article originally appeared on Business Insider. Follow @BusinessInsider on Twitter.
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