A joint advisory from the US Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Environmental Protection Agency (EPA), and the National Security Agency (NSA) warns of “ongoing malicious cyber activity” targeting water and wastewater facilities in the US. The threat actors have been targeting both IT and OT networks. The alert describes threat actors’ tactics, techniques, and procedures, and lists mitigations and resources for water facilities.
More information https://us-cert.cisa.gov/ncas/alerts/aa21-287a
