Authorization is what a user is allowed to do. Availability is the ability to utilize the resource whenever it is needed. Accuracy is the assurance that the information is correct. Confidentiality is keeping the resource from being disclosed. Accountability is assigning responsibility for actions taken on and by the resource.
Administration is the ability to manage the security attributes of the information.
Each of these aspects must be addressed to adequately protect your information. When it comes to computer security, your livelihood and your company's future are on the line. In Halting the Hacker , a leading Fortune 500 security consultant shows you the approaches and techniques hackers use to gain access, privileges, and control of your UNIX system. You'll learn to look at your system the way a hacker does, identifying potential vulnerabilities. You'll learn what specific countermeasures to take now.