The United States accuses China’s government and military of targeting its government computers as part of a cyber espionage campaign, a US report on China says.
Intrusions were focused on collecting intelligence on US diplomatic, economic and defense sectors which could benefit China’s own defense programme, the report says.
This is the first time the Pentagon’s annual report has directly linked such attacks to the Beijing government.
China called the report “groundless”, saying it represented “US distrust”.
A report from state news agency Xinhua cited Sr. Col Wang Xinjun, a People’s Liberation Army (PLA) researcher, describing the report as “irresponsible and harmful to the mutual trust between the two countries”.
Both China and the US were victims of cybercrimes and should work together to tackle the problems, the agency quoted him as saying.
The Pentagon report also criticizes a “lack of transparency” in China’s military modernization programme and defense spending.
“In 2012, numerous computer systems around the world, including those owned by the US government, continued to be targeted for intrusions, some of which appear to be attributable directly to the Chinese government and military,” the report from the US Department of Defense said.
The attacks were focused on “exfiltrating information” that “could potentially be used to benefit China’s defense industry, high technology industries… and military planners,” it said.
It added that this was particularly concerning because the “skills required for these intrusions are similar to those necessary to conduct computer network attacks”.
While China has long been suspected of a role in cyber attacks, the US has generally avoided publicly attributing attacks to the Chinese government, or confirming that US government computers have been targeted.
But the issue has come under increased scrutiny in recent months.
In February, US cyber security firm Mandiant said that it had linked hundreds of data breaches since 2004 to a Chinese hacking team traced to the site of a military unit in Shanghai.
China called the Mandiant report flawed, and said it was opposed to cyber-crime.
The report also analyses China’s progress in modernizing its military and says that a “lack of transparency” about its military capabilities has heightened regional tensions.
China announced in March that its annual defense budget was $114 billion, an increase of 10.4%.
However, the Pentagon estimated that China’s total military expenditure in 2012 was higher, between $135 billion and $215 billion.
China launched its first aircraft carrier in 2012, and is also investing in ballistic missiles, counter-space weapons and military cyberspace systems, the report said.
Defense Department official David Helvey said that while none of the individual weapons systems were an issue, the “integration and overlapping nature” of the systems left the department “concerned”.
They could boost China’s ability to restrict access to, and military operations in, the Western Pacific, he said.
David Helvey said the report also found that China had “increased assertiveness with respect to its maritime territorial claims” over the past year.
China has territorial disputes with many of its neighbors, including in both the South China Sea and East China Sea.
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