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Firewall Breach

Stories from across the site that focus on Firewall Breach.

How PHP2Shell Exploit Enabled Root Access on US Government Firewalls

How PHP2Shell Exploit Enabled Root Access on US Government Firewalls

Chinese hackers exploited PHP2Shell and a Linux privilege escalation to breach Palo Alto firewalls, accessing US government networks within minutes. Learn the attack chain and patching urgency.

Oct 30, 2026