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THE education site for computer science and ICT

1. Introduction

Keeping networks secure from outside intrusion is an ongoing issue. Most organisations have a computer network in place and furthermore most of them have Internet access for their users.

This internet connection provides a way for unauthorised people to gain access from the outside and for malware to find a way in through email attachments and malicious web sites.

This section will describe what network security means, the people involved and what actions are taken to help improve security.