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Critical vulnerabilities in PHP, used by about 70% of websites worldwide, have forced government agencies and companies to shut down websites, with European governments suspending official sites as a precaution. The flaws, found with AI assistance, allow attackers to execute malicious code on web servers without login, risking data leaks and service disruptions. Korea's government has issued a nationwide security alert, raising its cyber crisis warning to 'caution' (주의), and the National Security Office convened an emergency meeting of public, private, and military sectors, vowing 'one-team' swift action. Korean IT and security firms are responding urgently. However, Chosun Ilbo reports that 82% of domestic PHP servers run outdated versions that cannot apply the security patch, leaving most systems exposed despite the alert.