On March 18, the Biden administration warned governors that hackers linked to Iran’s Revolutionary Guards were trying to disrupt drinking water and wastewater systems in the United States. “We need your support to ensure that all water systems in your state comprehensively assess their current cybersecurity practices to identify any significant vulnerabilities,” National Security Advisor Jake Sullivan and Environmental Protection Agency Administrator Michael Regan wrote in a letter. They also revealed that hackers sponsored by China had compromised information technology of multiple critical infrastructure systems. The following are excerpts from the letter.

• Dear Governor:

Disabling cyberattacks are striking water and wastewater systems throughout the United States. These attacks have the potential to disrupt the critical lifeline of clean and safe drinking water, as well as impose significant costs on affected communities. We are writing to describe the nature of these threats and request your partnership on important actions to secure water systems against the increasing risks from and consequences of these attacks.

PDF COPY OF WHITE HOUSE LETTER