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EPMS: the cornerstone of cybersecurity in defense operations

In a landscape where cyber threats evolve daily, the Defense Information Systems Agency’s (DISA) Enterprise Patch Management System (EPMS) plays a critical role in maintaining the cybersecurity of the Department of Defense (DoD). EPMS is not just a tool—it’s a strategy, bridging software, efficiency and innovation to enhance the security posture of critical systems.The Importance of EPMSEPMS addresses a core cybersecurity challenge: verifying that all systems are consistently patched against known vulnerabilities. With cyber adversaries growing more sophisticated, leaving any endpoint exp

7 days ago

Red Hat Blog

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In a landscape where cyber threats evolve daily, the Defense Information Systems Agency****’s (DISA) Enterprise Patch Management System (EPMS) plays a critical role in maintaining the cybersecurity of the Department of Defense (DoD). EPMS is not just a tool—it’s a strategy, bridging software, efficiency and innovation to enhance the security posture of critical systems.

The Importance of EPMS

EPMS addresses a core cybersecurity challenge: verifying that all systems are consistently patched against known vulnerabilities. With cyber adversaries growing more sophisticated, leaving any endpoint exposed is a risk the DoD cannot afford. EPMS helps to drive more rapid patch delivery with greater security assurance across classified (SIPR) and unclassified (NIPR) networks, keeping the defense infrastructure resilient.

Red Hat and EPMS: a powerful alliance

One of EPMS’s core components is its integration with Red Hat Satellite, a platform purpose-built for managing Red Hat Enterprise Linux (RHEL) systems. This collaboration delivers several IT security advantages:

Trusted supply chain: All Red Hat content distributed through EPMS is cryptographically signed and verified, which helps verify the integrity and authenticity of patches
Compliance enforcement: Built-in tools for OpenSCAP scanning and Security Technical Implementation Guide (STIG) compliance make it easier to improve systems security
Automation for scalability: Red Hat Ansible Automation Platform provides automation within Satellite that simplifies the application of security baselines across large fleets of systems

Overcoming the sneakernet bottleneck

Traditionally, patching disconnected networks like SIPR involved a cumbersome process—downloading updates to unclassified systems, burning them to physical media and manually transferring them to classified networks. EPMS replaces this inefficient process, utilizing Global Content Distribution Services (GCDS), enabling faster downloads. This innovation significantly reduces risk and accelerates the patching cycle.

Key features and benefits of EPMS

Enhanced efficiency: By automating patch distribution and lifecycle management, EPMS reduces administrative workload and minimizes downtime
Broad compatibility: Supporting all major RHEL versions and additional Red Hat solutions like RHEL for SAP and real-time computing
Scalability: Hundreds of Red Hat Satellite servers across NIPR and SIPR power security-hardened content delivery at scale
Secure software supply chain: The integration of checksums, GPG signature verification and certificate-based authentication provides verification of patch integrity

The role of automation in security

Automation is the backbone of EPMS, transforming security operations from reactive to proactive:

Faster updates: Patches can be deployed 78% faster, reducing exposure to threats
Unified management: Systems can be grouped for efficient updates to drive consistency across environments
Policy compliance: Ansible roles enforce security policies across all systems, helping to maintain a stronger security posture

Why EPMS matters for the future

As the DoD moves toward increasingly interconnected operations, EPMS remains a cornerstone of its cybersecurity strategy. It represents a shift from fragmented patch management practices to a unified, automated system that offers greater scalability and efficiency, along with an enhanced security footprint. By confirming that critical systems remain updated and compliant, EPMS helps to safeguard not just data but also the integrity of national defense.

In the face of growing cyber threats, EPMS demonstrates how innovation in technology can help protect against vulnerabilities, maintain mission readiness and provide for the security of the nation’s defense infrastructure.

To learn more, contact [email protected]

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