The ISO 17799 Glossary of Information Security Terms and Phrases

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IDENTITY HACKING
The practice of posting on the internet anonymously, or mor eusually giving a completely false personal credentials with intent to deceive.

IMPACT ANALYSIS
The identification of threats to business assets and assessment of what impact such threats could have.

INCURSION
The penetration of the system by an unauthorised source.

INFOWAR
The use of information and information systems as weapons in a conflict in which the information/systems themselves are the targets.

ISO
The International Organization for Standardization is a group of national standards bodies whose aim is to establish, promote and manage standards.

IDS: INTRUSION DETECTION SYSTEMS
These are software applications designed to monitor network activity using a variety of techniques.

INFORMATION SECUITY POLICY (Chapter 3)
This is an organisational document, preferably ratified by senior management and distributed throughout an organisation. which defines the baseline security requirements of the organization in generic terms.