Homeland Security Weekly Update - March 28, 2026

In this week's update, we examine the U.S. State Department’s updated Worldwide Caution, warning Americans everywhere of heightened risks from groups supportive of Iran. Following direct U.S.-Israeli military strikes, proxy militias have launched hundreds of attacks on U.S. interests in Iraq, with the threat radiating worldwide. We break down the current proxy campaign, its global reach, and the fanatical ideology and eschatology motivating Iran’s strategy. An expanded written version of this report can be found in this week’s Threat Journal newsletter. You can subscribe for free by visiting www.ThreatJournal.com. A link to this issue will be sent to you immediately via email. AlertsUSA Homepage http://www.AlertsUSA.com – (Homeland Security Alerts for Mobile Devices) AlertsUSA on Facebook https://www.facebook.com/alertsusa AlertsUSA on Twitter https://twitter.com/alertsusa Threat Journal on Twitter https://twitter.com/threatjournal Threat Journal Homepage https://www.ThreatJournal.com