Tyler Shields

Tyler Shields

Tyler Shields is a Senior Researcher for the Veracode Research Lab whose responsibilities include understanding and examining interesting and relevant security and attack methods for integration into the Veracode product offerings. He also keeps track of new developments from other computer science and information security researchers to ensure that Veracode technologies are always kept in line with the most recent security advancements.

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Posts by Tyler Shields
  • Identifying the Mobile Security Stack
    March 24, 2011 | By Tyler Shields

    Increasing smartphone adoption rates coupled with the rapid growth in smartphone application counts have created a scenario where private and sensitive information is being pushed to the new device perimeter at an alarming rate. The smartphone mobile device is quickly becoming ubiquitous. It is not…

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  • Anti-Debugging Series - Part IV
    February 27, 2009 | By Tyler Shields

    In this final part of the anti-debugging series we're going to discuss process and thread block based anti-debugging. Processes and threads must be maintained and tracked by the operating system. In user space, information about the processes and threads are held in memory in structures known as…

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  • Anti-Debugging Series - Part III
    January 7, 2009 | By Tyler Shields

    It's time for part three in the Anti-Debugging Series. With this post we will stay in the realm of "API based" anti-debugging techniques but go a bit deeper into some techniques that are more complex and significantly more interesting. Today we will analyze one method of detecting an attached…

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  • Anti-Debugging Series - Part II
    December 30, 2008 | By Tyler Shields

    Welcome back to the series on anti-debugging. Hopefully you have your debugger and development environment handy as we are about to dive into the first round of anti-debugging code. In the first post to this series we discussed six different types of anti-debugging techniques that are in common use…

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  • Anti-Debugging Series - Part I
    December 2, 2008 | By Tyler Shields

    For those that don't know, anti-debugging is the implementation of one or more techniques within computer code that hinders attempts at reverse engineering or debugging a target process. Typically this is achieved by detecting minute differences in memory, operating system, process information,…

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  • Partial Disclosure - The Good, Bad, and…
    October 21, 2008 | By Tyler Shields

    There is apparently a bit of fear going around information security circles that the next big trend in the disclosure wars is going to be "Partial Disclosure". In the past, the vulnerability research community has embraced the concepts of "Full Disclosure" and/or "Non-Disclosure". Once those…

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