S. Korea raises cybersecurity alert level as computer language flaw sparks global security concerns

What happened: South Korea's science ministry raised the country's cyber crisis warning level to "caution" and asked companies and government agencies to patch systems affected by two critical PHP flaws. Key numbers: Warning level raised to "caution," the second lowest in a four-tier system, as of noon on Thursday, Oct. 22. The flaws were discovered Wednesday. Why it matters: The ministry said exploit codes are already publicly available and the flaw could affect many websites, requiring an urgent response. Wiz called them the most severe vulnerabilities ever detected by AI.

South Korea's science ministry raised the country's cyber crisis warning level to "caution" and asked companies and government agencies to patch systems affected by two critical PHP flaws.

The ministry said exploit codes are already publicly available and the flaw could affect many websites, requiring an urgent response. Wiz called them the most severe vulnerabilities ever detected by AI.