IEH Corp

The entire compromise was one employee's Microsoft 365 mailbox, opened by a phishing page that harvested a password because credentials were the only lock on the door. Inside sat purchase orders, engineering documentation, and potentially export-controlled technical data tied to the THAAD and Patriot programs: defense secrets kept in an ordinary inbox. No actor has been named and no theft confirmed, but the exposure was set long before the phishing page loaded. A missile-parts maker had filed regulated engineering where a single stolen login could reach it.