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Blog

The Schellman Blog

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

Clint Mueller

Clint Mueller is a Lead Penetration Tester with Schellman based in the St. Louis, Missouri area. Prior to joining Schellman in 2021, Clint worked as the Senior Red Team Manager for a large health care company. During this time, Clint performed a variety of security assessments and threat emulations based on adversary tactics, techniques, and procedures (TTP) to help improve the company’s monitoring and detection capabilities. Clint has over seven years of experience comprised of serving clients in various industries, including health care, telecommunications, and financial services. Clint is now focused primarily on offensive security assessments including internal and external network testing, phishing, and web application assessments for organizations across various industries.

Blog Feature

FedRAMP | Penetration Testing | Red Team Assessments

Reflections on a Year of FedRAMP Red Team Exercises

By: Clint Mueller
December 16th, 2024

Since the beginning of 2024, FedRAMP Revision 5 has mandated that organizations not only perform traditional penetration tests, but also undergo comprehensive red team engagements. This new requirement reflects a broader emphasis on assessing not just technical vulnerabilities, but also the effectiveness of an organization’s overall security posture, including it’s response to sophisticated and realistic threats. Over the past year, we’ve conducted many red team exercises, each tailored to different organizational environments and threat landscapes. These engagements have varied significantly in scope and complexity, offering us a wealth of insights into both our successes and the challenges we’ve faced.

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Blog Feature

Penetration Testing

How to Protect Infrastructure During Penetration Testing

By: Clint Mueller
December 28th, 2023

If you’re a penetration tester, you know that for any test or phishing campaign, you begin with setting up your infrastructure with a domain name and redirectors. You might also know that this step is straightforward, and many have created walkthroughs on different ways to architect and automate infrastructure deployments.

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Blog Feature

Cybersecurity Assessments | Penetration Testing

How to Use Entropy in Penetration Testing

By: Clint Mueller
October 27th, 2022

If you’ve ever created payloads for different pen testing or red team projects, you might have run into the problem that comes after bypassing antivirus/endpoint detection and response (AV/EDRs)—after successfully circumventing these, the code and techniques used only works for a few weeks or months before getting flagged as malicious.

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