PHP: The three little letters wreaking havoc across the web

A critical PHP vulnerability affecting a large share of the web has forced some major sites and government systems offline, underscoring how a single software flaw can create immediate operational, reputational, and continuity risk across highly dependent digital services. For CIOs and technology leaders, the strategic issue is not just emergency patching but the exposure of long-lived, legacy PHP estates that may be unsupported or difficult to update, making application inventory, lifecycle management, and rapid incident response core IT priorities. The article also highlights how AI is lowering the barrier to exploiting obscure flaws, increasing the urgency for stronger vulnerability management and defensive monitoring.