Drug and Alcohol Use and Your Security Clearance
If you’re applying for a security clearance and wonder how questions surrounding drug and alcohol use will affect your final decision, the answer is: It depends.
Not all forms of drug and alcohol use are the equal for purposes of a security clearance. Generally, these behavioral instances aren’t necessarily a per se disqualification; however, they may be indicative of other unbecoming conduct. For example, drug and/or alcohol use are often coupled with other behavioral issues, whether it be criminal (DUI, theft, assault) or non-criminal (defaulting on debts, excessive spending).
In the end, the decision is more nuanced, and various factors surrounding the instance of drug and alcohol use will help to inform the final outcome. Clear decisions on the individual’s clearance eligibility or employment suitability are often very difficult.
Read more here.