TOKYO — The United States gave a stern warning on Wednesday over recent cyberattacks on Japan’s top defense contractors, the latest in a series of security breaches that have fueled worries over Tokyo’s ability to handle delicate information.
An online assault on defense contractors including Mitsubishi Heavy Industries, which builds F-15 fighter jets and other American-designed weapons for Japan’s Self-Defense Forces, began in August but came to light only earlier this week, prompting rebukes from Japanese officials over the timing of the disclosure. IHI Corp, a military contractor that supplies engine parts for fighter jets, may have also been a target, the Nikkei business daily reported.
The breach came less than two weeks after a Japanese air traffic controller was questioned for posting secret American flight information on his blog. The data including detailed flight plans of Air Force One last November, as well as data on an American military reconnaissance drone, officials said.
The breaches threaten to undermine any progress made by Japan, an important American ally in the Asia-Pacific region, in bolstering cybersecurity in recent years.
The Japanese government had promised to revamp its security procedures after a Navy officer was arrested in 2007 over the leak of classified data on the United States Navy’s advanced Aegis combat radar system, which is also used on Japanese warships.
“We are concerned by news reports of cyberattacks on select Japanese companies and will continue to monitor the issue,” said Karen Kelley, a spokeswoman for the American Embassy in Tokyo.
“For every country, these kinds of intrusions have the potential for long-term negative impact and must be taken seriously. This is why cybersecurity must be a public sector priority in close collaboration with the private sector,” she said.
Mitsubishi Heavy said on Monday that its computer systems had been hacked and some network information may have been compromised. According to the company, 83 computers and servers at 11 locations, including its Tokyo headquarters, factories and a research and development center were accessed in the attack. Details of the breach were still unclear, a company spokesman said on Wednesday.
Defense Minister Yasuo Ichikawa has said that he had not received reports that any classified information had been compromised. It also remained unclear where the attacks originated, he said.
But an investigation by a security company has revealed that connections were made to 14 overseas sites, including at least 20 servers in China, Hong Kong, the United States and India, according to the Yomiuri Shimbun, Japan’s largest daily. China, especially, has vehemently denied that the attack could have originated from within its borders.
Mitsubishi Heavy has built F-15 fighter jet and missile systems, including Patriot batteries, and AIM-7 Sparrow air-to-air missiles, designed in the United States. The company builds some of that equipment with American contractors, including Raytheon and Lockheed Martin.
Mitsubishi Heavy won 215 deals worth $3.4 billion from Japan’s Defense Ministry in the year ending last March, or a quarter of the ministry’s spending that year, according to Reuters. It has previously seen breaches in security: the loss of data on nuclear reactor tests in 2006 and on its fighter jets in 2003.
Still, the United States military has not been free of serious security hacks. Earlier this year, Lockheed Martin was the victim of a sophisticated hacking attack. A Japanese defense white paper last month urged its defense community to better protect against cyberattacks after that breach.
Article source: http://feeds.nytimes.com/click.phdo?i=567390d6ef612e3c1752006c29ccb252
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