Türkiye has launched nationwide cybersecurity assessments and issued urgent advisories to public agencies and private enterprises following the discovery of critical vulnerabilities in PHP, a core programming language underlying millions of websites and online services.

Governments and companies around the world shut down websites as they raced on Oct. 22 to protect themselves from hacks after artificial intelligence uncovered critical flaws in PHP.

PHP helps run about 70 percent of the world’s websites, from online stores and news outlets to government services, according to Wiz Research, one…