Washington, June 4 -- A dual US-Iranian citizen and chief executive of a Tehran-based technology firm has been apprehended in the United States on federal charges concerning a decade-long operation to unlawfully export American-origin networking and encryption hardware to Iran's nuclear and military sectors in breach of sanctions regulations.

The suspect, identified as Jamshid Ghomi, 63, a resident of Newport Coast, California, was detained following a federal criminal complaint. The document accuses him of conspiring to violate the International Emergency Economic Powers Act (IEEPA) by procuring and exporting restricted American technology to Iran without obtaining the necessary clearance from the Office of Foreign Assets Control.

Acco...