This document provides definitions for various hacking, security, and IT jargon terms in a dictionary-like format. It includes explanations of common hacker terms like cipher, disinformation, drive-by download, dropper, dumpster diving, and others. The creator provides this resource to help people in information security, system administration, and development understand hacking terminology and what various malicious acts mean. Feedback is requested on this new approach of sharing jargon definitions.