What exactly is the 'PHP vulnerability' that has been causing a stir since yesterday? I have summarized what is happening and '3 things you should check today' for man…

Since around yesterday (October 21, 2026), the topic that 'a critical vulnerability in PHP has been discovered!' has been ...

Corporate Vulnerabilities Revealed by the PHP Incident: Management Fails to Recognize Urgency Until the Prime Minister Speaks

On the night of October 21, a person in charge of a company's website told their boss, "I want to take the site down tonight.