Cybersecurity experts are calling it “Black October.”

Earlier this week, researchers disclosed two major vulnerabilities hidden in PHP, a programming language upon which roughly seven out of ten websites are built. Since then, developers have been racing to patch their systems before they’re hijacked by malicious hackers. Websites around the world intentionally went offline as businesses and governments worked to implement the fix. OpenAI announced it would spearhead a global effort to find similar vulnerabilities still awaiting discovery. Some believe it’s just the initial tremor of a much more serious cyber earthquake to come: “as bad as things have gotten in the past 4 days, they are going to get a lot worse before they get better,” Anthropic cybersecurity lead Jason Clinton said in a Thursday X post . (“It was always going to be this way.…