Situation Report: Heightened Threat Environment – Potential Retaliation by Iranian Threat Actors Following U.S. Strikes on Iran (Updated April 9, 2026)

(TLP:AMBER+STRICT) On Tuesday, the U.S. and Iran agreed to a conditional two-week ceasefire, temporarily pausing the more than five-week conflict. Despite the ceasefire announcement, officials are still on high alert over potential threats in the homeland stemming from the conflict. See the updated advisory for indicators of compromise (IOCs) associated with Iranian-linked actor targeting of programmable logic controller (PLC) devices.