Legacy Worm Emerges
−0.7%
A worm-like exploit targets old PHP deployments that cannot be patched quickly, causing a short-lived but visible internet hygiene crisis. The outcome is unlikely because major providers are already deploying fixes, but legacy PHP 5-7 estates create a plausible attack surface.
What it moves
- Technology−1.5%
- Business Services−0.7%
- Riskier companies' borrowing costs
- Market volatility
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