Chapter 1

Understanding the threat

Abstract

This chapter provides a 40-year encapsulation of cyber attacks, starting with the first computer worm and working through to large scale DDoS attacks, the chapter reviews the history of network security threats, what the current state is and what is to come.

Keywords

Virus
Worm
Exploitation
Morris Worm
DISA
Firewall
IDS
Proxy
phishing
spear phishing
DDoS
underground economy
Malware, Creeper
Information in this chapter
A Brief History of Network Security
Understanding the Current Threat
The Coming Threats

Introduction

In 1981, the great Jon Postel wrote in RFC (request for comments) 793, “be conservative in what you do, be liberal in what you accept from others.” Postel was introducing ...

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