Threat Intelligence Brief
Curated summary with source attribution
Source: cisa.gov
Threat Risk: High
Victim: US Critical Infrastructure
Incident: Ongoing Iranian cyber activity targeting and disrupting PLCs.
Impact: Potential disruption of essential services and physical infrastructure failure.
Attacker: Iranian-affiliated threat actors
Analysis: Iranian-affiliated actors are exploiting internet-connected operational technology (OT) devices to gain control over critical infrastructure. The campaign has expanded from Rockwell Automation to include Schneider Electric and Siemens hardware. Attackers are leveraging reusable code modules to execute malicious changes within PLC programs.
Recommendations: Restrict direct internet access to OT devices and PLCs.; Implement secure PLC deployment and configuration practices.; Monitor for unauthorized changes in reusable code modules.
Source: CISA
Editorial note: this post summarizes third-party reporting and links to the original source.
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