• 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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  • New HC3 report defines security assessments needed for healthcare organizations during and after COVID-19

    Rich Curtiss, Director, Healthcare Risk Assurance Services

    The Health Sector Cybersecurity Coordination Center (HC3) recently delivered a report that defines and articulates the security assessments and information technology audits that should be considered during and after the COVID-19 pandemic.

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