Daily OT Security News: October 05, 2026

The October 5, 2026 threat landscape alert reports an increase in targeted attacks on critical infrastructure—particularly energy and manufacturing—including a surge in ransomware incidents against energy firms, critical remote-code-execution vulnerabilities in industrial control systems, a major manufacturing data breach, and new CISA guidance for OT security; organisations are urged to patch systems, implement network segmentation, improve OT monitoring, train staff against social engineering, and review incident response plans.