The exchange, which was hacked and went into liquidation in May, has filed for U.S. bankruptcy protection.

Not complying with this could end with companies being banned by the Federal Network Agency.

A three-year agreement with local cybersecurity company Bulletproof seeks to improve and protect networks in the city

Ransomware-slingers look for new victims

Boy of 13 thought his hacking skills would land him role

M&A in semiconductors, telecoms and other areas will be scrutinized by Tokyo