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A cyberattack targeting supermarket refrigeration systems spread across Europe on Monday, hitting fridges and freezers from Sweden to Belgium and forcing stores to discard food, Korea Times reports. The attack, which also reached US mainland military bases, works by hacking remote control systems to raise temperatures to 50 degrees Celsius, causing mass food waste and disrupting supply chains, Chosun Ilbo reports. Russian sabotage is being discussed as a possible cause, and the incident highlights weaknesses in internet-connected industrial equipment, following a previous attack in France, Korea Times notes. Korean reaction focuses on broader cybersecurity concerns: President Lee Jae Myung ordered a review of plans for a government-wide cybersecurity agency, and the NIS asked 2,100 public institutions to conduct emergency checks after a wave of attacks on banks and telecom operators, Korea Times reports. The attacks underscore growing risks to Korea's digital economy, with sentiment in economic news hitting a seven-month low despite stronger growth, Business Korea reports.