U.S. Defense Manufacturer IEH Hit by Phishing Attack, Exposing Potentially Export-Controlled Data

Defense manufacturer IEH Corporation has disclosed a phishing attack that compromised an employee's Microsoft 365 inbox. The breach, discovered on August 4, potentially exposed sensitive export-controlled military data, customer information, and engineering documents. While no data exfiltration has been confirmed, the incident highlights the risks associated with sophisticated social engineering tactics targeting critical infrastructure suppliers.