The DHS Trusted Tester certification is a free credential issued by the Department of Homeland Security that confirms you can apply the Trusted Tester Process to evaluate web content against Section 508 requirements. To earn it, you complete the self-paced training in the DHS Trusted Tester Training Course, pass the certification exam with a qualifying score, and receive your certificate from DHS. The program is open to the public. No prior accessibility credentials are required, but a working knowledge of HTML, ARIA, and assistive technology behavior makes the material easier to absorb.
| Item | Detail |
|---|---|
| Issuing body | U.S. Department of Homeland Security, Office of Accessible Systems and Technology |
| Cost | Free |
| Format | Self-paced online training plus a proctored or scored exam |
| Prerequisites | None required; HTML and ARIA familiarity recommended |
| Standard covered | Revised Section 508, mapped to WCAG 2.0 Level A and AA |
| Validity | Tied to the current version of the Trusted Tester Process |
What the DHS Trusted Tester credential actually is
The Trusted Tester Process is a standardized, repeatable method for evaluating web content against Section 508. It was built so that two different testers reviewing the same page reach the same conclusions. That consistency is the point.
Certification confirms you can apply the process correctly. It does not certify you as a broader accessibility expert, and it does not cover mobile apps or software outside the web scope. For federal contractors, agencies, and consultants serving the public sector, it carries real weight.
Who should pursue this certification?
The credential is a strong fit for accessibility auditors, QA engineers, federal contractors, and consultants who work with government clients. It is also useful for developers and designers who want a structured way to evaluate their own work.
If your work touches federal websites, agency intranets, or contracts that reference Section 508 conformance, this certification often shows up in procurement language and statements of work.
Prerequisites and recommended background
DHS does not require prior certifications. That said, the training assumes you can read HTML, recognize ARIA attributes, and understand how a screen reader announces page content.
Helpful background before you start:
A working knowledge of semantic HTML and form structure is important. Familiarity with ARIA roles, states, and properties will help significantly. Hands-on practice with JAWS or NVDA on Windows is strongly recommended. A general read of WCAG 2.0 success criteria at Level A and AA rounds out the preparation.
People who skip the screen reader practice tend to struggle most with the exam.
Step-by-step path to become a DHS Trusted Tester
The path is structured and predictable. Here is the sequence most candidates follow.
1. Register for the training
Create an account on the DHS Section 508 training portal. Enrollment in the Trusted Tester Course is free. You will receive access to the modules and supporting reference documents.
2. Work through the modules
The course covers the Trusted Tester Process in detail: how to identify in-scope content, which conditions to check, how to record results, and how to map findings back to Section 508. Plan for roughly 30 to 40 hours of focused study, more if HTML and ARIA are new to you.
3. Practice on real pages
The training includes guided exercises. Beyond those, apply the process on pages you already know. The muscle memory of working through each condition in order is what makes the exam manageable.
4. Take the certification exam
The exam evaluates whether you can apply the process correctly, not whether you can memorize WCAG language. You will be given content to evaluate and must record your findings using the methodology taught in the course.
5. Receive your certificate
Passing candidates receive a DHS-issued certificate of completion. You can list the credential on a resume, LinkedIn profile, or in a proposal response. DHS maintains the records on its end.
How long does it take to become a DHS Trusted Tester?
Most candidates complete the full path in four to eight weeks of part-time study. Full-time accessibility professionals sometimes finish faster. The bottleneck is rarely the material itself; it is building enough repetitions on real content to apply the process without second-guessing each step.
How the credential supports your career
For consultants and freelancers, the credential signals that you can produce defensible Section 508 evaluations. For in-house teams, it gives one or two people the standing to lead conformance work and confirm vendor deliverables.
Federal procurement language often references Section 508 conformance directly, and proposals that name Trusted Tester certified staff tend to read more credibly. It is one of the few accessibility credentials that maps cleanly to a specific government standard.
Common mistakes to avoid
Treating the course as background reading instead of a procedural manual is a frequent misstep. Skipping screen reader practice and relying only on visual inspection leaves gaps that show up on the exam. Memorizing WCAG numbers instead of internalizing the conditions leads to confusion under pressure. And attempting the exam before completing the guided exercises puts you at a significant disadvantage.
Frequently Asked Questions
Is the DHS Trusted Tester certification worth it for private sector work?
Yes, when your clients touch government work or reference Section 508. For purely private sector e-commerce or SaaS work where WCAG 2.1 AA or WCAG 2.2 AA is the standard, the credential is still respected but less directly tied to the work.
Does the certification expire?
The certificate is tied to the version of the Trusted Tester Process you trained under. When DHS releases a new version, recertification or supplemental training can be required to stay current.
Can I become a Trusted Tester if I am not a U.S. citizen?
The public training and certification are open to anyone who can access the portal. Citizenship is a separate matter that only comes into play for specific federal employment or contracts.
How does Trusted Tester compare to CPACC or WAS?
CPACC and WAS, issued by IAAP, cover broader accessibility knowledge across the web, documents, and the built environment. Trusted Tester is narrower and procedural. Many accessibility professionals hold both, with each credential serving a different audience.
Do I need the certification to conduct a Section 508 audit?
No, but it gives your work an established methodology and a recognized credential to point to. Federal buyers in particular value that standardization.
The Trusted Tester path rewards patience and repetition. Move through the modules carefully, practice on real pages, and the credential becomes a clean addition to your accessibility work.
Looking for accessibility professionals with verified credentials? Contact Accessibility Base to find listed practitioners in the directory.