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.


  • Successful DevSecOps begins with a cultural shift

    Jason McAllister, Senior Consultant, Cloud Solutions Engineering, Coalfire

    A successful DevSecOps approach fosters cohesive collaboration between Development, Security, and Operations teams for the cultivation of outcomes that improve security while also maintaining the goals of DevOps. Within DevSecOps, security is an additional foundational component in the process toward improving delivery outcomes. Furthermore, security is introduced as an integral and continuous component of the application lifecycle. With DevSecOps, the role of and emphasis on security occur much earlier in the lifecycle with a goal of producing better protected and perhaps more resilient applications.

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  • Baselining PassGAN: Adventures in the rhubarb

    Aaron Jones, Consultant, Penetration Testing

    Cracking is a complex topic full of misunderstandings, confusing terminology and weird people. This blog post is front-loaded with some terminology, some explanations, and maybe some apologies.

    Password cracking: This is fundamentally one thing: guessing. We’re not reversing, or talking to spirits or anything—we are picking a password candidate, running it through a hash algorithm and comparing the output to a target hash. In other words, math.

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  • IoT Part 3: Fire!

    Dan McInerney, Senior Security Consultant, Coalfire

    When we left off in Part 2 of our blog series, we had just identified the max temperature variable and set it to a much higher number. Our celebrations quickly ended, however. Upon flashing the firmware with the new edited max temperature variable, we realized that the printer would get up to around 261o Celsius then suddenly stop heating and cool back down to room temperature. At least one more security feature must have been implemented to prevent thermal runaway. Tracking this down was significantly harder than tracking down a variable with a known value.

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  • Coalfire statement on racial injustice

    Tom McAndrew, Chief Executive Officer, Coalfire

    In honor of Juneteenth, I wanted to reflect and share my thoughts. At Coalfire, we are committed to living our values: Respect, Excellence, Leadership, Integrity, Teamwork, and Enthusiasm. As a result, Coalfire stands against racism, violence, and hate. We stand with fairness, equity, and justice.

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  • A strategy for cybersecurity strategy

    John Hellickson, CxO Advisor, Coalfire

    Let's start with an assumption:  Having a cybersecurity strategy is best practice.  So, what makes a good cybersecurity strategy?  You'd be surprised how this answer varies across the security industry, especially from seasoned CISOs of Fortune 500 companies.

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