Identity
Identity is whom someone or what something is, for example, the name by which something is known.
Incident
An incident as an adverse network event in an information system or network or the threat of the occurrence of such an event.
Incident Handling
Incident Handling is an action plan for dealing with intrusions, cyber-theft, denial of service, fire, floods, and other security-related events. It is comprised of a six step process: Preparation, Identification, Containment, Eradication, Recovery, and Lessons Learned.
Incremental Backups
Incremental backups only backup the files that have been modified since the last backup. If dump levels are used, incremental backups only backup files changed since last backup of a lower dump level.
Inetd (xinetd)
Inetd (or Internet Daemon) is an application that controls smaller internet services like telnet, ftp, and POP.
Inference Attack
Inference Attacks rely on the user to make logical connections between seemingly unrelated pieces of information.
Information Warfare
Information Warfare is the competition between offensive and defensive players over information resources.
Ingress Filtering
Ingress Filtering is filtering inbound traffic.
Input Validation Attacks
Input Validations Attacks are where an attacker intentionally sends unusual input in the hopes of confusing an application.
Integrity
Integrity is the need to ensure that information has not been changed accidentally or deliberately, and that it is accurate and complete.