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Schellman began as a SOC audit firm 20+ years ago. While we still issue more than 2,000 SOC reports each year, our clients’ trust has propelled our expansion. Today, we offer nearly 60 types of audits and assessments.

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Schellman is the only Top 50 CPA firm focused exclusively on IT Compliance and Cybersecurity, and we’re the #1 service provider for FedRAMP Assessments. Our industry-leading NPS scores, client retention, and employee retention mean our clients experience greater continuity and quality.

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The Schellman Blog

Nick Rundhaug

Nick Rundhaug is a Managing Director and Federal Practice Leader with Schellman. Nick has over 20 years of experience in the information technology field with 15 years’ experience in Federal frameworks for information technology. With a background as a network engineer and assessor, Nick specializes in the areas of cryptography, networking, and security mechanisms in cloud environments.

Blog Feature

FedRAMP | Federal Assessments

Your Guide to DoD IL4/IL5 Authorization: Requirements, Readiness, and Common Pitfalls Explained

By: Nick Rundhaug
January 12th, 2026

As the Department of Defense (DoD) continues to accelerate its Zero Trust strategy, organizations supporting national security missions face increasing expectations for how they secure, monitor, and manage sensitive information.

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