The Coalfire Blog

Welcome to the Coalfire Blog, a resource covering the most important issues in IT security and compliance. You'll also find information on Coalfire's insights into the unique cybersecurity issues that impact the industries we serve, including Cloud Service Providers, RetailFinancial Services, Healthcare, Higher Education, Payments, Government, Restaurants, and Utilities.

The Coalfire blog is written by the company's leadership team and our highly-credentialed security assessment experts. We look forward to your comments, so please join the conversation.


  • PCI DSS v3.2.1 – What You Need to Know

    May 18, 2018, Karl Steinkamp, Director, PCI Product and Quality Assurance

    On Thursday, May 17, the PCI Security Standards Council (PCI SSC) released an updated version of the PCI DSS standard, primarily to include clarifications and minor revisions around controls that referenced SSL/early TLS. The new version removes notes referring to the effective date of February 1, 2018 for applicable requirements, as this date has passed. Unlike prior PCI DSS version updates, this update does not include any new control requirements. With that in mind, there are some key specifics that are applicable to merchants and service providers.

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  • A Cyber Engineering Primer: Automated Tools for Compliance Auditing

    May 17, 2018, Kyle Snavely, Senior Consultant, Cyber Engineering, Coalfire

    Cybersecurity practitioners sometimes forget to define and explain the terms we use during the course of our work. Thus, my colleagues and I have embarked on a series of posts that provide a primer on some of the most important cyber engineering practices. In this post, we will focus on configuration management (CM.

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  • AWS Certified Cloud Practitioner: A Valuable Certification for Professionals in Non-Technical Roles

    May 16, 2018, Jennifer Tonisson, Partner Marketing Manager, Technology & Cloud, Coalfire

    Within the past year, AWS unveiled what is arguably one of the best programs they have ever offered to non-technical professionals in the AWS Partner Network (APN): the AWS Certified Cloud Practitioner certification. The program, which is especially valuable for those in sales or marketing roles, doesn’t offer any high-tech products or services for selling or marketing AWS. Instead, it offers a learning path and a certification that is intended to provide individuals with the knowledge and skills necessary to effectively demonstrate an overall understanding of the AWS Cloud.

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  • Microsoft Word Document Upload to Stored XSS: A Case Study

    May 09, 2018, Esteban Rodriguez, Consultant, Coalfire Labs, Coalfire

    Anytime I see a file upload form during an application test, my attention is piqued. In a best-case scenario, I can upload a reverse shell in a scripting language available on the webserver. If the application is running in PHP or ASP for example, it becomes quite easy. If I can’t get a backdoor uploaded, I will attempt to try to upload an HTML page to get my own client-side javascript uploaded for XSS attacks.

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  • Cloud Security Governance - Optimizing the Business Benefits of Security in the Cloud

    May 02, 2018, Michael Addo-Yobo, Managing Principal, Cyber Risk Advisory, Coalfire

    Enterprises are increasingly pursuing the business advantages of migrating technology platforms and services into the cloud environment leveraging one or more of the three main cloud service areas – Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). These advantages include but are not limited to rapid information system deployment, significantly reduced operating costs, massive economies of scale, processing speed, and agility. However, subscription to these services often imply security and compliance challenges for enterprises who are often unprepared to resolve them.

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