What Happened to National Background Investigations Services (NBIS)?
The National Background Investigations Services (NBIS) is a U.S. federal government IT system designed to modernize and streamline the end-to-end process for personnel vetting, replacing outdated legacy systems. Managed by the Defense Counterintelligence and Security Agency (DCSA), the program has faced significant delays and cost overruns since its inception in 2016, with a full transition now targeted for the end of fiscal year 2028. Despite challenges, NBIS is actively integrating new technologies like AI and continuous vetting to enhance national security.
Quick Answer
The National Background Investigations Services (NBIS) is the U.S. federal government's IT system for personnel vetting, aiming to replace legacy systems and modernize the background check process. While the eApp component is fully transitioned for case initiation, the overall program has experienced repeated delays and cost increases, with a new target for full operational capability by the end of fiscal year 2028. The Defense Counterintelligence and Security Agency (DCSA) continues to develop NBIS, incorporating advanced features like continuous vetting and AI pilots to improve efficiency and security.
📊Key Facts
📅Complete Timeline12 events
OPM Data Breaches Occur
Two major cybersecurity incidents at the Office of Personnel Management (OPM) compromised sensitive background investigation data for over 22 million federal employees and contractors, highlighting the urgent need for a modernized system.
DOD Takes Ownership of Program
The President assigned the Department of Defense (DOD) responsibility for developing and operating IT systems for personnel vetting processes, leading to the start of NBIS development.
Original Completion Target Missed
DOD originally expected NBIS to be fully operational by this year, but repeated delays hindered its deployment.
DCSA Assumes Operational Control
The Defense Counterintelligence and Security Agency (DCSA) took over operational control for NBIS from the Defense Information Systems Agency (DISA), as DCSA also assumed responsibility for conducting most federal background investigations.
NBIS Transitions to Software Acquisition Pathway
The NBIS program transitioned to the Software Acquisition Pathway, adopting Scaled Agile Framework (SAFe) and Development Security Operations (DevSecOps) methodologies for its development.
Transition to NBIS eApp Begins
Customer agencies and industry partners began the phased transition to NBIS eApp (electronic application) for initiating background investigations.
eApp Becomes Primary Initiation System
NBIS eApp officially became the primary system for all background investigation case initiations across federal agencies and industry partners.
NBIS Development Paused
DCSA paused NBIS development after missing multiple milestones for the government's Trusted Workforce 2.0 personnel vetting reform, leading to a revision of its approach.
Full Transition to NBIS eApp Announced
DCSA announced that all required customer agencies had successfully transitioned to NBIS eApp for background investigation case initiation, marking a significant program milestone.
New Cost Estimate and Schedule Developed
After the development pause, DCSA developed a new cost estimate and changed its approach to scheduling. The GAO later found the new cost estimate to be reliable.
GAO Reports 'Fragile' Progress; New Target Set
The Government Accountability Office (GAO) reported 'fragile' progress on NBIS, noting continued lack of a reliable schedule. The Pentagon set a new goal for full transition by the end of fiscal year 2028.
System Migration and AI Pilots Underway
DCSA completed the migration of seven NBIS systems into a unified cloud environment and is deploying Artificial Intelligence (AI) pilots to automate risk triage and improve alert accuracy.
Follow this story
Get an email when this timeline gets a major update.
🔍Deep Dive Analysis
The National Background Investigations Services (NBIS) emerged from a critical need to overhaul the U.S. government's personnel vetting process following the devastating 2015 Office of Personnel Management (OPM) cybersecurity breaches, which compromised sensitive data for millions of federal employees and contractors. Mandated by Congress, the Department of Defense (DOD) assumed responsibility for developing and operating a new IT system in 2016 to replace OPM's vulnerable legacy infrastructure.
Initially, NBIS was envisioned to be fully operational by 2019, but the program has been plagued by repeated delays and challenges. In October 2020, the Defense Counterintelligence and Security Agency (DCSA) took over operational control of NBIS from the Defense Information Systems Agency (DISA), becoming the primary entity responsible for its development and deployment. DCSA's objective is to create a secure, adaptable, and integrated IT backbone for the entire government's personnel vetting enterprise, supporting initiation, investigation, adjudication, and continuous vetting.
A significant milestone was achieved in December 2024 when DCSA announced the full transition of all required customer agencies to the NBIS eApp (electronic application) for background investigation case initiation. This modern interface was designed to enhance the user experience and streamline the initial application process, becoming the primary system for initiations by October 2023. However, the broader NBIS program faced further setbacks. In early 2024, DCSA paused development to revise its approach after missing multiple milestones related to the government's Trusted Workforce 2.0 personnel vetting reform efforts.
Following this pause, DCSA developed a new cost estimate and revised its scheduling approach in 2025. A Government Accountability Office (GAO) report in February 2026 indicated 'fragile' progress, noting that while the new cost estimate of an additional $2.2 billion through fiscal year 2031 (on top of $2.4 billion already spent through fiscal 2024) was deemed reliable, DCSA still lacked a reliable schedule for the program's completion. The Pentagon now aims for a full transition to NBIS by the end of fiscal year 2028. Current efforts include migrating remaining legacy systems to a unified cloud environment, expanding pilot programs, and deploying advanced capabilities. DCSA is also exploring the use of Artificial Intelligence (AI) pilots to automate risk triage and improve alert accuracy, integrating expanded data sources, and enhancing automation to further streamline workflows and improve scalability. The agency is also focusing on a workforce strategy to recruit and retain experts in data analytics, cybersecurity, and program management to support the complex undertaking.
What If...?
Explore alternate histories. What if National Background Investigations Services (NBIS) made different choices?