DHS Issues National Terrorism Advisory System Bulletin Amid Israel-Iran Conflict

Secretary of Homeland Security Kristi Noem issued a National Terrorism Advisory System (NTAS) Bulletin regarding a heightened threat environment across the United States due to the direct involvement of the United States in the ongoing conflict between the nations of Israel and Iran. There are currently no specific credible threats against the homeland.

The ongoing Iran conflict is causing a heightened threat environment in the United States. Low-level cyber attacks against US networks by pro-Iranian hacktivists are likely, and cyber actors affiliated with the Iranian government may conduct attacks against US networks. Iran also has a long-standing commitment to target US Government officials it views as responsible for the death of an Iranian military commander killed in January 2020. The likelihood of violent extremists in the Homeland independently mobilizing to violence in response to the conflict would likely increase if Iranian leadership issued a religious ruling calling for retaliatory violence against targets in the Homeland. Multiple recent Homeland terrorist attacks have been motivated by anti-Semitic or anti-Israel sentiment, and the ongoing Israel-Iran conflict could contribute to US-based individuals plotting additional attacks.

Duration

Issued: June 22, 2025
Expires: September 22, 2025 at 11:59 PM ET

Additional Information

The Iranian Government has publicly condemned direct US involvement in the conflict.

• Both hacktivists and Iranian government-affiliated actors routinely target poorly secured US networks and Internet-connected devices for disruptive cyber attacks.
• US law enforcement has disrupted multiple potentially lethal Iranian-backed plots in the United States since 2020. During this timeframe, the Iranian government has also unsuccessfully targeted critics of its regime who are based in the Homeland for lethal attack.
• If Iranian leadership were to issue a religious ruling calling for retaliatory violence against specific targets in the Homeland, it could increase the likelihood that a supporter of the Iranian regime is inspired to commit an act of violence in the Homeland.
• Since the start of the conflict, we have seen media releases by foreign terrorist organizations (FTOs)—
  including HAMAS, Lebanese Hizballah, the Houthis, and the Popular Front for the Liberation of Palestine, among others—some of which have called for violence against US assets and personnel in the Middle East because of Israel’s attack.
• The conflict could also motivate violent extremists and hate crime perpetrators seeking to attack targets perceived to be Jewish, pro-Israel, or linked to the US government or military in the Homeland.

Report Potential Threats

Listen to local authorities and public safety officials.

• DHS’s Cybersecurity and Infrastructure Security Agency (CISA) offers cybersecurity best practices for securing US networks.
• The Nationwide Suspicious Activity Reporting (SAR) Initiative (NSI) is a collaborative effort by DHS, the FBI, and law enforcement partners to identify and report threats of terrorism and other related criminal activity.
• If You See Something, Say Something® Report suspicious activity and threats of violence, including online threats, to local law enforcement, FBI Field Offices, or your local Fusion Center. Call 911 in case of emergency.

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