ICS-CERT (Industrial Control Systems Cyber Emergency Response Team) issues alerts to inform critical infrastructure owners and operators about newly discovered vulnerabilities, threats, and mitigation strategies.
“ICS-CERT Alerts provide timely information to critical infrastructure owners and operators concerning current security issues, vulnerabilities, and exploits.”
— ICS-CERT Advisory Documentation (now under CISA)
Alerts may be sector-wide or vendor-specific, and are part of the U.S. Department of Homeland Security’s proactive cyber defense strategy.
Clarification of Options:
Not specific to the energy sector only (D is too narrow)