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SECURITY > Cybersecurity

Data breach from reported cyberattack not found: defense chief

  • November 29, 2016
  • , Kyodo News , 12:51 p.m.
  • English Press

TOKYO, Nov. 29, Kyodo — Defense Minister Tomomi Inada said Tuesday a recently reported cyberattack was not found to have resulted in a data breach, but did not confirm media reports that a ministry communication network shared with the Self-Defense Forces was hacked.


Noting that the ministry and the SDF receive suspicious e-mails on a daily basis, Inada said at a press conference, “We have not confirmed any leakage of information or destruction of equipment at this point.”


Kyodo News reported Sunday that the ministry and the SDF discovered around September that their shared communication network had suffered a cyberattack that enabled a hacker to penetrate the Ground Self-Defense Force’s computer system, and that some information may have been leaked in the incident.


According to ministry sources, the Defense Information Infrastructure, a high-speed large-capacity communication network connecting SDF bases and camps, was subjected to the attack. The sources suspect the involvement of a state-backed attacker.


The infrastructure consists of a system connected to the Internet and another that is used for information sharing by people inside the organizations, but the two systems are not completely detached.


Inada declined to comment on specific cases, saying that doing so could reveal the country’s response to cybersecurity issues. But she said the ministry is dealing with cyberattacks through such mechanisms as its Cyber Defense Group which monitors communication networks around the clock.

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