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The Murk blog

Field NotesFrom the attack surface.

Practical security research on AI, exploits, and the changing attack surface.

Latest notes01 / Research & response
Security advisory7 min read

PHP2Shell: Are You Affected? Here's How to Check and Fix It

Find out which PHP versions are affected, how to patch your actual web-serving runtime, and what to look for in your logs.

Read the field note