Being considered a security threat is grounds to: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Being considered a security threat is grounds to: Answers Deny you a hazardous materials endorsement. Deny you a CDL. Deny you a passengers endorsement. Explanation You will be denied a hazardous materials endorsement, or lose an existing one, if the Transportation Security Administration (TSA) deems you as posing a security threat.