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.

The Coalfire blog is written by the company's leadership team and our highly-credentialed security assessment experts.


  • Compensating Controls: When Patching Isn’t an Option

    February, 2019, Steve Durham, Consultant, CoalfireOne Scanning Services

    Your software vendor is asleep at the wheel and your devs still need that legacy daemon.

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  • The HOW, WHY, and HUH? Blog on Disputes

    January, 2019, Travis Finn, Consultant, CoalfireOne Scanning Services

    As you may know, performing vulnerability scans is a requirement for PCI DSS compliance. One of those specific requirements, described in section 11.2.2, states that quarterly external scanning must be done by a qualified Approved Scanning Vendor. Coalfire just so happens to be an ASV, so if you need these scans we would happily oblige!

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  • PA-DSS to Software Security Framework: What You Need to Know

    January, 2019, Bhavna Sondhi, Senior Consultant, Commercial Services, Coalfire

    The Payment Application Data Security Standard (PA-DSS) developed by the Payment Card Industry Security Standards Council (PCI SSC) applies to software vendors and others who develop payment applications that store, process, or transmit cardholder data and/or sensitive authentication data. The list of various payment applications that are currently validated for software vendors is located on the PCI SSC Website.

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  • CoalfireOne Special Notes

    January, 2019, Erica Woods, Associate, Commercial Services, Vulnerability Assessments and Scanning, Coalfire

    PCI-DSS can be challenging  to navigate – particularly when it comes to the ASV scanning requirements.  While fulfilling the scanning requirement is easy, obtaining a passing  attestation report may involve more than simply remediating failed findings.  One requirement that we receive many questions about is Special Notes.

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  • What You Should Know About the Changing Nature of Telephone-Based Payments

    December, 2018, Karl Steinkamp, Director, PCI Product and Quality Assurance

    In March 2011, the PCI SSC released the initial version of the “Protecting Telephone-Based Payments Card Data” Information Supplement as a guide to help assessors assess environments where cardholder data was stored, processed, and/or transmitted over the telephone. It was a pivotal guidance document at the time that set the stage for a broader focus on telephony technologies. As of November 2018, that time has finally arrived. The revised document provides a comprehensive dive into various telephony architectures (specifically VoIP, ISDN, and PSTN) and related people and processes that are required to be considered within scope for PCI DSS compliance.

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