CISA Urges Water Sector to Protect OT After Coordinated Attacks on PLCs

CISA is advising water and wastewater utilities to secure their internet-exposed controllers following a series of coordinated attacks. The attacks targeted programmable logic controllers and affected dozens of systems in Minnesota. CISA's warning is intended to help the water sector protect its operational technology from similar intrusions. The alert comes shortly after the attacks occurred, indicating a sense of urgency to address the vulnerability.