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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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About Us

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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SOC & Attestations

SOC & Attestations

SOC 1 / SSAE 18 Examination

SOC 2 Examination

SOC 3 Examination

SOC for Supply Chain

SOC for Cybersecurity

C5 Attestation

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Payment Card Assessments

Payment Card Assessments

PCI DSS Validation

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ISO Certifications

ISO 27001

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ISO 27701

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ISO-20000-1

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Privacy Assessments

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US State Privacy Assessments

Microsoft SSPA/DPR Assessment

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FERPA Assessment

EU Cloud Code of Conduct

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Federal Assessments

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CMMC / NIST SP 800-171

FISMA/NIST

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CJIS

IRAP

FTC Consent Decrees

Healthcare Assessments

Healthcare Assessments

HITRUST CSF Certification

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Health Data Host (HDS) Certification

Penetration Testing

Penetration Testing

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Advanced Series

Cybersecurity Assessments

Cybersecurity Assessments

Cloud Configuration Assessments

Ransomware Assessments

NIST Cybersecurity Framework Assessments

Schellman Software Security Assessment (S³A)

TISAX®

SWIFT Customer Security Programme

Internal Audit Co-Sourcing

Crypto and Digital Trust

Crypto and Digital Trust

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Schellman Training

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Leadership Team

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Corporate Social Responsibility

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Strategic Partnerships

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Blog

The Schellman Blog

Stay up to date with the latest compliance news from the Schellman blog.

Dan Groner

Dan is a Senior Penetration Tester at Schellman based in Washington. Prior to joining the firm, Dan held roles as a Core Pen Tester and Security Consultant, where he gained experience in various types of penetration testing, including those necessary for compliance initiatives. Now at Schellman, he remains focused on helping organizations discover vulnerabilities and delivering remediation and quantifiable solutions to ensure positive security refinement for clients.

Blog Feature

Penetration Testing

How to Protect Yourself Against Social Engineering Attacks

By: Dan Groner
October 22nd, 2024

With so much business now being done online and digitally, much—if not most—of organizational security concerns focus on beefing up technical controls. But, in fact, the human element of cybersecurity is often where the most impactful failures occur.

Blog Feature

Penetration Testing

What Does a Vishing Simulation Look Like?

By: Dan Groner
July 23rd, 2024

Though society has, these days, moved firmly into the digital age where emails, texts, and the online world dominate both communication and cyber-attack vectors, it might not occur to people—or organizations—that some scams are still perpetuated over the phone in what’s called a vishing attack.

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