Future-Ready Cybersecurity: Modern Encryption Solutions at IRS

Customer Challenge

The Internal Revenue Service (IRS) manages vast amounts of sensitive taxpayer data across over 600 interconnected systems, including monolithic Tier 1 mainframe applications and Tier 2 server-based systems. Protecting this critical data from evolving cybersecurity threats posed significant challenges, worsened by complex integration dependencies and limited legacy documentation. The IRS also needed to comply with federal mandates for data encryption—in-transit and at-rest—across diverse database technologies like SQL Server, DB2, Oracle, and VSAM. A robust cybersecurity strategy was required to address emerging legislative requirements such as Zero Trust Architecture and Quantum Resistant encryption, while ensuring business continuity in serving millions of taxpayers annually.

Navitas Solution

An enterprise-wide encryption strategy was developed and implemented, providing program management, technical guidance, and operational support for the IRS Data-at-Rest Encryption (DARE) initiative. Agile methodologies, including Program Increment planning and scrum ceremonies, enabled close coordination with IRS personnel and vendors across encryption of 48+ applications and hundreds of databases and storage devices. The strategy integrated native IBM mainframe pervasive encryption and key management systems, supporting cloud migration and mainframe modernization. Operational support included installation, configuration, maintenance of encryption hardware/software, and automation tools with DevSecOps practices to optimize delivery and enhance monitoring. Extensive documentation, risk management, and training ensured smooth transition and adoption across IRS IT environments.

Results

The program successfully encrypted IRS Tier 1 and Tier 2 data assets, protecting sensitive information on over 600 systems, including 68 SQL servers, 70 DB2 databases, 80 Oracle databases, and many VSAM files. This robust data protection framework aligned with IRS business goals and federal cybersecurity mandates, significantly reducing data exposure risks. Automation in key lifecycle management reduced manual overhead and boosted security. Agile execution and transparent program management ensured on-time delivery with minimal disruption during filing seasons. This foundation positions the IRS to meet future encryption standards and enables seamless modernization across legacy and cloud systems, strengthening national data security and resilience.

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