It's the little things ..key Aegis anti missile data leaked by Japanese Navy

This is the primary Navy anti air, and anti missile system, and is now deployed around the world as a ballistic anti missile system. It protects, today, Japan, Taiwan, S Korea, is deplayed in the Persian Gulf and Israel (in addition to the Arrow). It is also the system which just shot down the falling satellite.

Japan's navy to replace all PCs to prevent more high-tech spying

East-Asia-Intel.com, March 13, 2008

Embarrassed by a spy scandal, Japan's Maritime Self-Defense Force will replace all of its personal computers with systems that have little memory and no local storage to prevent leakage of classified information, sources said.

The move comes after the leak of information
about key functions of Aegis-equipped destroyers.

The leak triggered criticism of the MSDF's lax information management.

A 34-year-old MSDF officer has been arrested for allegedly taking confidential data on the U.S.-designed Aegis defense system from a computer system task force in violation of a bilateral agreement with Washington.

The MSDF plans to replace some 30,000 PCs by 2010 with units that have no disk drives and which run applications from central servers, the sources said.

Sumitaka Matsuuchi arrives at a police station in Yokosuka, Japan on Dec. 13. Yomiuri.co.jp

So-called "thin clients" use a remote display protocol and do not have USB-based wireless adaptors.

The leak was discovered early last year after information on the capabilities of the Aegis was found on the home computer of a second-class petty officer in Kanagawa.

After a year-long probe, Japanese police arrested Sumitaka Matsuuchi for allegedly leaking secret data on the high-tech Aegis combat system, a top line defense against a possible attack by North Korea.

He was the first Japanese arrested on suspicion of violating the Secrets Protection Law, which is based on the Japan-U.S. Mutual Defense Assistance Agreement signed in 1954.

The classified information reportedly includes data on performance limits of Aegis destroyers' interception systems.

The U.S.-developed Aegis system has cutting-edge radar and can simultaneously track hundreds of targets, such as missiles and enemy aircraft, and can attack dozens at the same time.

According to Kyodo News on March 9, the MSDF uncovered defense documents and file-sharing software on Matsuuchi's private computers. They are attempting to determine whether the data include confidential files.

Matsuuchi, who was assigned to the MSDF's Maizuru headquarters, began storing data on his computers about 10 years ago and added information from a number of units to which he was assigned, Kyodo said.

He also apparently failed to obey recent Defense Ministry directives to delete sensitive data and file-sharing software from private computers, it said.