LECTURE #1

Presented ByMrs.Vasanthi Muniasamy

INFORMATION SECURITY

DEFINITION:

The protection of information and its elements including systems, hardware that use, store and transmit the information

PRIMARY GOALS

CIA triangle known as security triad tells the primary goals of IS

Confidentiality Making sure that those who should not see

informationIntegrity

Making sure that the information has not been changed from its original

AvailabilityMaking sure that the information is available for use when you need it

DATA TYPESPublic

Private / Internal

Confidential

Secret

PUBLICData is shown to all the end users

PRIVATE / INTERNAL

A group of company peoples only know, but outside peoples should not know like Personal Identification Number (PIN)

CONFIDENTIAL

Data is used by limited number of private users, and should not be known to the majority of workers

SECREAT Data is known by the very high authority

persons only. Lose of this data may cause critical damage to the company.

SECURITY TYPESPhysical Security

Personal Security

Operations Security

Communications Security

Network Security

Information Security.

PHYISCAL SECURITYTo protect Physical items, objects or areas

PERSONAL SECURITY

To protect the individual or group of individuals who are authorized

OPERATION SECURITY

To protect the details of a particular operation or activities

COMMUNICATION SECURITY

To protect communication media, technology and content

NETWORK SECURITY

To protect networking components, connections and contents

INFORMATION SECURITY

To protect information assets

THANK U