The SEI: The Leader in Software Engineering, Cybersecurity, and AI Engineering
At the SEI, we research complex software engineering, cybersecurity, and AI engineering problems; create and test innovative technologies; and transition maturing solutions into practice. We have been working with the Department of Defense, government agencies, and private industry since 1984 to help meet mission goals and gain strategic advantage.
Latest Publications
Minimally Viable Architecture: Architecture Early in Development
• Technical Note
This technical note explores MVAs and offers guidance on what teams should do with an MVA to get their certificate to field and authorization to operate.
ReadAutomated Code Repair for C/C++ Static Analysis
• Technical Report
This engineering experience paper details the application of design, development, and performance testing to an automated program repair tool we built that repairs C/C++ code.
ReadDesign of Enhanced Pointer Ownership Model for C
• Technical Report
This report describes the design for a new temporal memory safety model for C code and an implementation to enforce it.
ReadFrom Our Experts
A Model-Based Approach for Software Acquisition
• Blog Post
The Department of War (DoW) is undergoing a significant transformation in how it acquires and develops software systems. Central to this evolution is the shift from traditional document-based processes to model-centric methodologies.
READModeling Services with Model-Based Systems Engineering (MBSE)
• Blog Post
This post explores an approach to designing services using model-based systems engineering (MBSE) with OMG’s Unified Architecture Framework (UAF).
READ5 Essential Questions for Implementing the Software Acquisition Pathway and the Tools to Tackle Them
• Webcast
In this webcast, Eileen Wrubel and Brigid O’Hearn discuss the launch of the Software Acquisition Go Bag. Our SEI team has helped hundreds of DoD programs deliver software-enabled capability through our unique integration of data-driven insights, software engineering research, and acquisition science. We’re “packing” that experience into Software Acquisition Go Bag kits for those tackling acquisition challenges.
WatchOur Work
At the Software Engineering Institute (SEI), we research complex software engineering, cybersecurity, and artificial intelligence engineering problems; create and test innovative technologies; and transition maturing solutions into practice. The U.S. Department of Defense, as well as other public agencies and private businesses, can meet mission goals and gain strategic advantage by using tools, technologies, and practices developed or matured by the SEI.
News
SEI Study Analyzes Applicability of Security and Zero Trust Principles to Weapon Systems
• Article
The study explores the risks and tradeoffs when adapting enterprise-IT security and zero trust principles to weapon systems.
Read More
AAAI Symposium to Present the Latest on Engineering Safety-Critical AI Systems
• Article
At the November event, co-organized by the SEI, artificial intelligence experts will present case studies and research and development in building AI systems for safety-critical applications.
Read More
Artificial Intelligence Data Quality Workshop to Present AI Engineering Best Practices
• Article
The October 23 virtual workshop will feature presentations on dataset generation, exploration, preparation, and testing for ensuring data quality when training AI systems.
Read More
Cybersecurity Maturity Model Certification Rule Finalized for Defense Industrial Base
• Article
Beginning November 10, defense contracts may require assessments under the CMMC program, which the SEI co-created, but implementation will be phased.
Read MoreEvents
How to Address the Problem of Poorly-Defined Requirements in Software System Design
Nov 12, 2025 · 1:30-2:30PM (ET)
In this webcast, Lori Flynn and Lyndsi Hughes offer a solution to the problem of poorly defined requirements in system design that can lead to software flaws, cost and time overruns, and stakeholder dissatisfaction.
RegisterInsider Threat Analyst
Dec 9-11, 2025
This 3-day course presents strategies for collecting and analyzing data to prevent, detect, and respond to insider activity. It discusses various techniques and methods for designing, implementing, and measuring the effectiveness of various components of an insider threat data collection and analysis capability.
RegisterDefense Maintenance and Logistics Exhibition and DoW Maintenance Symposium 2025
Dec 9-11, 2025
The SEI will exhibit at DMLE booth number 348
Register to attendEducation and Outreach
Discover our numerous training and credentialing opportunities for individual professional development. We also offer workforce development and licensing opportunities for organizations to apply best practices to their operations.
Work With Us
In addition to our work with agencies across the United States government, we partner with academic institutions and private companies to solve key technical challenges for current and future software-reliant systems. You can sponsor research and development, collaborate with us on research, and even get guidance from us to implement new methods.
Careers
Pursue your passion and work alongside world-recognized leaders in the field of software engineering. We invite you to view current employment opportunities, learn about benefits of working at the SEI, and apply for a position.
