Author: Christian

Chlorine Supply Chain Issues

Westlake, a chlorine manufacturing company in Washington State has had electrical issues that have caused them to cease production. It is expected that it will be approximately 30 days before this plant comes back on line. There have been reports of some water systems in the Pacific Northwest experiencing shortages of chlorine. There have been […]

White House Memo on Critical Infrastructure and Threat of Ransomware

The Cybersecurity & Infrastructure Security Agency has distributed a memo from Anne Neuberger, Deputy Assistant to the President and Deputy National Security Advisor for Cyber and Emerging Technology, titled “What We Urge You To Do To Protect Against The Threat of Ransomware.” We urge you to take the necessary precautions to prevent a potential cybersecurity […]

Microsoft Exchange Vulnerability

INTENDED FOR WIDEST DISTRIBUTION Critical Infrastructure Colleagues and Partners, The Cybersecurity and Infrastructure Security Agency (CISA) strongly urges its partners to follow guidance provided to Federal Civilian Executive Branch Departments and Agencies at This CISA Emergency Directive outlines key steps federal officials must take to immediately address this vulnerability. We cannot stress enough the seriousness of this vulnerability; it is widespread and is indiscriminate.   As a […]

Compromise of U.S. Water Treatment Facility

On February 5, 2021, unidentified cyber actors obtained unauthorized access to the supervisory control and data acquisition (SCADA) system at a U.S. drinking water treatment plant. The unidentified actors used the SCADA system’s software to increase the amount of sodium hydroxide, also known as lye, a caustic chemical, as part of the water treatment process. […]