Custom Multi-Factor Authentication System for a Government Contractor's Internal Portal

Overview

Built a custom multi-factor authentication system for a government contractor's internal project portal, where off-the-shelf MFA options didn't meet the specific authentication requirements the contractor was obligated to follow. The system layers hardware-token support alongside standard app-based authentication, with configurable enforcement rules based on the sensitivity level of the project a user is accessing. Login attempts, especially failed ones, are logged in detail to support the contractor's own security audit requirements. We worked closely with the contractor's internal security team throughout the build, since the requirements were dictated by contractual obligations rather than general best practice alone. A government contractor's internal project portal had specific multi-factor authentication requirements dictated by contractual obligations that no off-the-shelf MFA option fully met. We built a custom MFA system layering hardware-token support alongside standard app-based authentication, with configurable enforcement rules based on project sensitivity level, logging login attempts in detail to support the contractor's own security audit requirements. We worked closely with the contractor's internal security team throughout the build, since the specific requirements were dictated by contractual obligations rather than general best practice alone. The system was validated against the contractor's own audit checklist before the scheduled compliance review. The contractor's internal authentication system is now aligned with its contractual security obligations ahead of a scheduled compliance review, closing a gap that had been flagged internally.