NEC Corp. said Friday it has come under major cyberattacks over several years through 2018, resulting in unauthorized access to 27,445 files, including those related to business with the Defense Ministry.The company said it has not confirmed any damage such as leakage after the attack on the files, which are saved on its servers used in defense-related and other businesses. Highly classified information, such as proposals to clients, was kept at a remote, unconnected location, it said.The case added to concerns about Japan's cybersecurity, following a similar attack on Mitsubishi Electric C…READ FULL ARTICLE