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Database security is the single biggest concern with today's Web-based applications. Without control, you risk exposing sensitive information about your company or, worse yet, your valuable customers. In this article, learn about security measures you can take to protect your PostgreSQL database. Be sure to download the sample code listings used in this article.

This article discusses the risk associated with the use of the same security mechanism in multifactor authentication systems and proposes the use of GSS-API as a suitable option for achieving the multi-security mechanism clubbed with multi-factor authentication for enhanced security for solutions designed over UNIX.

The Pluggable Authentication Module (PAM) API exposes a set of functions that application programmers use for security-related functions like user authentication, data encryption, LDAP, and more. In this article, get a basic guide to the PAM model on Linux, see how to configure PAM, and learn how to design a sample PAM login application in 10 easy steps.

UNIX's method of handling file systems and volumes provides you with an opportunity to improve your systems' security and performance. This article addresses the issue of why you should split up your disk data into multiple volumes for optimized performance and security.

A common response when someone first hears about containers is "How do I create a secure container?" This article answers that question by showing you how to use Linux Security Modules (LSM) to improve the security of containers. In particular, it shows you how to specify a security goal and meet it with both the Smack and SELinux security modules.

There are many tools available that allow you to synchronize files across UNIX directories, but doing it effectively, and securely, takes a little bit more effort. This article looks at solutions for synchronizing files across UNIX filesystems and different computer systems securely, and at solutions that allow you to synchronize encrypted versions of your files for the purposes of backup.

Packt is pleased to announce a new book on CISSP. Written by M. L. Srinivasan CISSP in 21 Days is a quick revision guide that helps candidates prepare for the CISSP Exam and approach it confidently with the help of step-by-step preparation and practice questions. Success in this respected exam opens the door for ones dream job as a security expert as well as an eye catching salary. Passing the final exam is challenging as every year a lot of candidates do not prepare sufficiently and fail at the final stage. This happens when they cover everything but do not revise properly and hence lack in confidence. This books 'concise explanation' will take candidates through the final weeks before the exam with a day-by-day plan covering all of the exam topics enabling them to enter the exam room with confidence. Candidates will get to know the requirements of the CISSP examination and structure their preparation accordingly. The book helps them build their understanding of myriad concepts in the Information Security domain thus integrating their existing knowledge, experience, and prior learning to easily remember the concepts. This small and concise CISSP exam quick-revision guide provides a disciplined approach to be adopted for reviewing and revising the core concepts a month before the exam, by providing concise explanation of important concepts in all the 10 domains of the CISSP Common Body of Knowledge (CBK). Each domain is covered in two chapters that are represented as days and each chapter contains some practice questions including a full-blown mock test for practice. This book is for all aspirants who are planning to take the CISSP examination and obtain the coveted CISSP certification that is considered as the 'Gold Standard' in Information Security personal certification. The book is out now and is available from Packt. For more information, please visit http://www.packtpub.com/crack-the-cissp-exam-in-21-days/book

AIXPert is an all-purpose GUI and command-line security tool that incorporates over 300 security configuration settings. Learn about recent enhancements implemented with IBM AIX V6.1, including SOX auditing support, and go through real scenarios to show how AIXPert can be used from the command line, smit and the GUI.

Tcsh is one of the most popular UNIX shells. Learn how you can use tcsh shell variables to make your work easier and how to take advantage of tcsh's advanced security features.

OpenBSD provides a UNIX distribution with a primary emphasis on security and cryptography. If you're looking for a UNIX distribution to deploy in the most critical nexus in your network infrastructure, look no further than OpenBSD. The recent release of OpenBSD—version 4.3—includes several new features and bug fixes that this article reviews.

AIX provides a vast array of commands to handle user and group management. This article discusses some of these core security commands and provides a list that you can use as a ready reference.

This article covers the advanced security features of IBM AIX V6.1, Trusted Execution environment. It educates AIX system administrators on how to ensure system integrity at run-time as well as at stand-by time. This article, which acts as a starting point to learn about the Trusted Execution environment, also covers the most commonly used commands and examples.

In a Kerberos environment, protecting principals' passwords is imperative to preserve the system security. Learn how Kerberos administrators can take advantage of the password protection and password strength enhancement features provided by IBM Network Authentication Service (NAS) for AIX.

Introducing NIS Security

Download a free trial of IBM Rational AppScan Standard Edition V7.7, previously known as Watchfire AppScan, a leading Web application security testing tool that automates vulnerability assessments and scans and tests for all common Web application vulnerabilities including SQL-injection, cross-site scripting and buffer overflow.