Cybersecurity

The following posts are useful for general awareness of current cyber threats, vulnerabilities, guidance, and other cyber-related news or updates. These resources have been curated by the WaterISAC analyst team as items of broad relevance and benefit that do not need supplemental analysis at this time.

Critical Infrastructure Resilience & OT Vulnerability Management

The House Committee on Homeland Security released a “Cyber Threat Snapshot” examining the growing threats posed by malign nation-states and criminal networks to U.S. critical infrastructure. The snapshot particularly focuses on the threats posed by the Chinese-affiliated threat groups Volt Typhoon and Salt Typhoon, as well as the Iranian Islamic Revolutionary Guard Corps, both of which have been known to target the water sector.

The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS security advisories, along with additional alerts, updates, and bulletins:

ICS Advisories:

A phishing campaign has been identified by researchers at Fortinet where threat actors are using a new variant of the REMCOS (Remote Control System) remote access trojan (RAT). The phishing emails intend to trick victims into opening a malicious Excel attachment disguised as an order file. Once opened, the document exploits a vulnerability which sets off an infection chain ultimately leading to the delivery of a fileless variant of REMCOS.