
🛡️ **CRITICAL: Active Cyberattacks Target U.S. Water and Wastewater Sector — PLC-Focused Operations Threat**
Published Thursday, October 01, 2026 at 11:53 AM PT BLUF: Recent confirmed cyberattacks against U.S. water and wastewater systems (WWS) are targeting operational technology (OT) infrastructure, specifically Programmable Logic Controllers (PLCs). CISA and NIST have issued urgent guidance. All water utilities and system operators must immediately audit OT network isolation and PLC access controls; update SCADA/ICS firmware and implement network segmentation to restrict unauthorized PLC commands. ...