{"product_id":"linux-pam-authentication-security-a-hands-on-guide-to-developing-secure-custom-authentication-flows-for-modern-linux-systems-9798299284430","title":"Linux PAM Authentication Security: A Hands-on Guide to Developing Secure, Custom Authentication Flows for Modern Linux Systems","description":"\u003cp\u003e • Author(s): Taylor Chadwick\u003cbr\u003e • Publisher: Independently Published\u003cbr\u003e • Publisher Imprint: Independently Published\u003cbr\u003e • BISAC: Operating Systems - Linux\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eLinux PAM Authentication Security: A hands-on guide to developing secure, custom authentication flows for modern Linux systems\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eAuthentication is the first line of defense in any Linux system. But as attacks grow more sophisticated and infrastructure spans desktops, servers, and containers, relying on defaults is no longer enough. How do you ensure that your authentication stack is both flexible and hardened against evolving threats?\u003c\/p\u003e\u003cp\u003eThis book provides the complete solution: a practical, hands-on guide to mastering \u003cb\u003eLinux Pluggable Authentication Modules (PAM)\u003c\/b\u003e. With clarity and precision, it takes you beyond surface-level usage into the mechanics of building, customizing, and securing PAM modules for today's most demanding environments.\u003c\/p\u003e\u003cp\u003eThrough step-by-step examples, real-world scenarios, and expert commentary, you'll gain the ability to confidently design authentication flows tailored to your system's exact requirements. From session management and resource limits to cryptographic updates and CVE mitigations, every chapter delivers actionable knowledge you can apply immediately.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat you'll gain from this book: \u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eA solid understanding of how PAM works across desktops, servers, and containerized environments.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePractical skills to develop and extend custom PAM modules in C with safe, maintainable code.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTechniques for integrating PAM with modern authentication methods, including U2F, biometrics, and systemd sessions.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eProven strategies for handling hash variations, FIPS compliance, and secure defaults like yescrypt.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCI\/CD patterns for testing authentication logic and detecting vulnerabilities before they reach production.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eGuidance on maintaining compatibility across distributions and kernel versions without sacrificing security.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are a \u003cb\u003esystem administrator\u003c\/b\u003e tightening access controls, a \u003cb\u003esecurity engineer\u003c\/b\u003e tasked with compliance, or a \u003cb\u003edeveloper\u003c\/b\u003e writing custom modules for advanced authentication scenarios, this book equips you with the tools and insights to raise the bar on Linux security.\u003c\/p\u003e\u003cp\u003eAuthentication flaws are too costly to leave to chance. Equip yourself with the expertise to build secure, future-ready PAM configurations, starting now.\u003c\/p\u003e","brand":"Atlantic Books","offers":[{"title":"Paperback","offer_id":46333488824471,"sku":"9798299284430","price":2208.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9798299284430.webp?v=1768669682","url":"https:\/\/atlanticbooks.com\/products\/linux-pam-authentication-security-a-hands-on-guide-to-developing-secure-custom-authentication-flows-for-modern-linux-systems-9798299284430","provider":"Atlantic Books","version":"1.0","type":"link"}