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Blog

The Schellman Blog

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

Rene Guerra

Rene Guerra is a Manager and Penetration Tester with Schellman based in Florida. In this position, Rene leads test efforts against clients' web applications, networks, and employees through social engineering campaigns. Before joining Schellman, Rene worked as an IT Manager and IT Specialist, specializing in networking and infrastructure. Additionally, Rene works very closely with the new Pen Testers to train and mentor them.

Blog Feature

Cybersecurity Assessments

Get CISSP Certified: A Self-Study Guide to Success

By: Rene Guerra
January 31st, 2023

When it comes to cybersecurity certifications, you have a lot of options, though the Certified Information Systems Security Professional (CISSP) stands out among them—it’s one of the most popular and recognized certifications in our industry, so much so that many companies require it as a prerequisite in their job postings or for promotion.

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Blog Feature

Cybersecurity Assessments | Penetration Testing

8 Things to Provide Your Testers Ahead of an API Penetration Test

By: Rene Guerra
October 4th, 2022

If you’re running a business online, you’re likely providing an application program interface (API) on your website that allows your customers or business partners to enter and retrieve data. At Schellman, we primarily see REST-based APIs, but we’ve also tested GraphQL and occasionally SOAP.

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Blog Feature

Cybersecurity Assessments | Penetration Testing

How to Write a Burp Extension (and Why I Did It)

By: Rene Guerra
November 18th, 2021

(And Why I Did It) For those of you who work in web application security, maybe you’re familiar with Burp.

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Blog Feature

Cybersecurity Assessments | Penetration Testing

Port Scanning: Slow is Smooth and Smooth is Fast

By: Rene Guerra
May 25th, 2020

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“Schellman” is the brand name under which Schellman & Company, LLC and Schellman Compliance, LLC provide professional services. Schellman & Company, LLC and Schellman Compliance, LLC practice as an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable law, regulations and professional standards. Schellman & Company, LLC is a licensed certified public accounting firm (Florida license number AD62941) registered with the Public Company Accounting Oversight Board (PCAOB) that provides attest services to its clients, and Schellman Compliance, LLC provides nonattest cybersecurity and compliance professional services to its clients. Schellman Compliance, LLC is not a licensed CPA firm. Schellman & Company, LLC and Schellman Compliance, LLC are independently owned and are not liable for the services provided by any other entity providing services under the Schellman brand. Our use of the terms “our firm” and “we” and “us” and terms of similar import, denote the alternative practice structure conducted by Schellman & Company, LLC and Schellman Compliance, LLC.