Diplomatic Security Service (DSS) Special Agents Application GatewayThis link will take you to a "gateway" to begin your application. You must have your degree in hand when applying. Complete the application and register to take the Department of State Diplomatic Security Special Agent Test (DSSAT) at a time and location convenient to you. Applicants who pass the DSSAT will move forward to the minimum qualifications review and will be contacted for more documentation. Those who submit all required documentation and pass the minimum qualifications review will advance to the Qualifications Evaluation Panel (QEP). Candidates with the highest scores on the QEP will be invited for an Oral Assessment.