Whether you are an experienced Security or System Administrator or a Newbie to the industry, you will learn how to use native, "out-of-the-box," operating system capabilities to secure your UNIX environment. No need for third-party software or freeware tools to be and stay secure! This book will help you ensure that your system is protected from unauthorized users and conduct intrusion traces to identify the intruders if this does occur. It provides you with practical information to use of the native OS security capabilities without the need for a third party security software application....