Classified Matter Training (SEC301)

IMPORTANT! You MUST have an account in our HR System in order to get credit for SEC301.
If you do not or are unsure, please contact your training coordinator, OAA, or manager.

Welcome to SEC301, Classified Matter Training

This course contains audio and narration. Please make sure you have headphones or speakers set at a comfortable level before beginning the course. If you need a transcript, you can download it here. It will also be provided at the beginning of every module.

For questions, contact Security Connection: (505) 845-1321 or

Click the blue Begin button below to start the course.



Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy's National Nuclear Security Administration under contract DE-NA-0003525.
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