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The long-awaited x64 edition of the bestselling introduction to Intel assembly languageIn the newly revised fourth edition of x64 Assembly Language Step-by-Step: Programming with Linux, author Jeff Duntemann delivers an extensively rewritten introduction to assembly language with a strong focus on 64-bit long-mode Linux assembler. The book offers a lighthearted, robust, and accessible approach to a challenging technical discipline, giving you a step-by-step path to learning assembly code that's engaging and easy to read.x64 Assembly Language Step-by-Step makes quick work of programmable computing basics, the concepts of binary and hexadecimal number systems, the Intel x86/x64 computer architecture, and the process of Linux software development to dive deep into the x64 instruction set, memory addressing, procedures, macros, and interface to the C-language code libraries on which Linux is built.You'll also find:* A set of free and open-source development and debugging tools you can download and put to use immediately* Numerous examples woven throughout the book to illustrate the practical implementation of the ideas discussed within* Practical tips on software design, coding, testing, and debuggingA one-stop resource for aspiring and practicing Intel assembly programmers, the latest edition of this celebrated text provides readers with an authoritative tutorial approach to x64 technology that's ideal for self-paced instruction.

Immerse yourself in the offensive security mindset to better defend against attacksIn The Active Defender: Immersion in the Offensive Security Mindset, Principal Technology Architect, Security, Dr. Catherine J. Ullman delivers an expert treatment of the Active Defender approach to information security. In the book, you'll learn to understand and embrace the knowledge you can gain from the offensive security community. You'll become familiar with the hacker mindset, which allows you to gain emergent insight into how attackers operate and better grasp the nature of the risks and threats in your environment.The author immerses you in the hacker mindset and the offensive security culture to better prepare you to defend against threats of all kinds. You'll also find:* Explanations of what an Active Defender is and how that differs from traditional defense models* Reasons why thinking like a hacker makes you a better defender* Ways to begin your journey as an Active Defender and leverage the hacker mindsetAn insightful and original book representing a new and effective approach to cybersecurity, The Active Defender will be of significant benefit to information security professionals, system administrators, network administrators, and other tech professionals with an interest or stake in their organization's information security.