From Air Force Magazine :
Iran also still has proxy forces like Hezbollah and the Palestinian Islamic Jihad, noted Jim Baker, a former senior FBI official who now directs national security and cybersecurity at the R Street Institute think tank. He said public US intelligence assessments stated Iranian backed terror groups had global networks and the capacity to strike against US targets all over the world, even potentially in the United States itself.
“If the Iranians wanted them to do something,” said Baker. “I’m confident they would try to do it.”
- “Air Force Magazine”: https://www.airforcemag.com/cyberattacks-only-one-of-irans-options-for-retaliation/