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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 delivered by full-time employees. No outsourcing. No compromises.

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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 (low-to-no team churn = less audit fatigue) mean our clients experience greater continuity and quality.We also understand how distracting unplanned work can be, so we focus on client-centric KPIs to help keep your business moving uninterrupted.

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Christian Underkoffler

Christian is a Manager on the Penetration Testing team with Schellman where he orchestrates assessments for general, PCI, FedRAMP, and other compliance frameworks. This includes project scoping, scheduling, communications, and engagement quality control from inception through the deliverable. Prior to his managment role, Christian performed a variety of offensive security assessments including internal and external network testing, social engineering, phishing, and web application assessments. He solely focused on penetration testing and red team assessments for eight (8) years, which has exposed him to a variety of environments including Fortune 500 companies, as well as an array of offensive and defensive tools.

Blog Feature

Penetration Testing | Federal Assessments

FedRAMP Red Team Assessments FAQ

By: Christian Underkoffler
September 13th, 2024

The release of FedRAMP’s Revision 5 has raised many questions, including those regarding the addition of a red team exercise requirement for those seeking FedRAMP authorization. As the #1 provider of FedRAMP assessments on the Marketplace who have extensive experience in offensive security, we have insight to offer.

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