Glossary of Key Terms


Acceptable use policies (AUPs)

Formal written policies that describe proper and unacceptable behavior when using computer and network systems. For example, an acceptable use policy may set rules on what type of Web site browsing is permitted or if personal e-mails over the Internet are allowed.

Access control list (ACL)

An implementation technique to control access to a resource by maintaining a table of authorized user IDs.

Active content

Software or plug-ins that run within a client browser, usually when visiting certain Web sites. Examples include Java applets, JavaScript, and ActiveX controls.


A state of indifference, or the suppression of emotions such as concern, excitement, motivation and passion.

Application software ...

Get Security Policies and Implementation Issues now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.