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Computer Security Fundamentals, 2nd Edition

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Computer Security Fundamentals, 2nd Edition

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  • Copyright 2012
  • Dimensions: 7" x 9-1/4"
  • Edition: 2nd
  • eBook (Watermarked)
  • ISBN-10: 0-13-282826-X
  • ISBN-13: 978-0-13-282826-0

Welcome to today’s most useful and practical one-volume introduction to computer security. Chuck Easttom brings together up-to-the-minute coverage of all basic concepts, terminology, and issues, along with all the skills you need to get started in the field. Drawing on his extensive experience as a security instructor and consultant, Easttom thoroughly covers core topics, such as vulnerability assessment, virus attacks, hacking, spyware, network defense, passwords, firewalls, VPNs, and intrusion detection. Writing clearly and simply, he fully addresses crucial issues that many introductory security books ignore, from industrial espionage to cyberbullying.

Computer Security Fundamentals, Second Edition is packed with tips and examples, all extensively updated for the state-of-the-art in both attacks and defense. Each chapter offers exercises, projects, and review questions designed to deepen your understanding and help you apply all you’ve learned. Whether you’re a student, a system or network administrator, a manager, or a law enforcement professional, this book will help you protect your systems and data and expand your career options.

Learn how to

  • Identify the worst threats to your network and assess your risks
  • Get inside the minds of hackers, so you can prevent their attacks
  • Implement a proven layered approach to network security
  • Use basic networking knowledge to improve security
  • Resist the full spectrum of Internet-based scams and frauds
  • Defend against today’s most common Denial of Service (DoS) attacks
  • Prevent attacks by viruses, spyware, and other malware
  • Protect against low-tech social engineering attacks
  • Choose the best encryption methods for your organization
  • Select firewalls and other security technologies
  • Implement security policies that will work in your environment
  • Scan your network for vulnerabilities
  • Evaluate potential security consultants
  • Understand cyberterrorism and information warfare
  • Master basic computer forensics and know what to do after you’re attacked

Sample Content

Table of Contents

Introduction 1

Chapter 1: Introduction to Computer Security


How Seriously Should You Take Threats to Network Security?

Identifying Types of Threats


    Compromising System Security

    Denial of Service Attacks

    Web Attacks

    Session Hijacking

    DNS Poisoning

Assessing the Likelihood of an Attack on Your Network

Basic Security Terminology

    Hacker Slang

    Professional Terms

Concepts and Approaches

How Do Legal Issues Impact Network Security?

Online Security Resources


    Microsoft Security Advisor


    SANS Institute


Test Your Skills

Chapter 2: Networks and the Internet


Network Basics

    The Physical Connection: Local Networks

    Faster Connection Speeds

    Data Transmission

How the Internet Works

    IP Addresses


    Uniform Resource Locators

History of the Internet

Basic Network Utilities




Other Network Devices

Advanced Network Communications Topics

    The OSI Model

    Media Access Control (MAC) Addresses


Test Your Skills

Chapter 3: Cyber Stalking, Fraud, and Abuse


How Internet Fraud Works

    Investment Offers

    Auction Frauds

Identity Theft


Cyber Stalking

    Laws about Internet Fraud

Protecting Yourself against Cyber Crime

    Protecting against Investment Fraud

    Protecting against Identity Theft

    Secure Browser Settings


Test Your Skills

Chapter Footnotes

Chapter 4: Denial of Service Attacks


Denial of Service

Illustrating an Attack

    Common Tools Used for DoS

    DoS Weaknesses

    Specific DoS Attacks

    Land Attack

    Distributed Denial of Service (DDoS)


Test Your Skills

Chapter 5: Malware



    How a Virus Spreads

    Recent Virus Examples




    The Sobig Virus

    The Mimail Virus

    The Bagle Virus

    A Nonvirus Virus

    Rules for Avoiding Viruses

Trojan Horses .

The Buffer-Overflow Attack

The Sasser Virus/Buffer Overflow


    Legal Uses of Spyware

    How Is Spyware Delivered to a Target System?

    Obtaining Spyware Software

Other Forms of Malware


    Malicious Web-Based Code

    Logic Bombs


Detecting and Eliminating Viruses and Spyware

    Antivirus Software

    Antispyware Software


Test Your Skills

Chapter 6: Techniques Used by Hackers


Basic Terminology

The Reconnaissance Phase

    Passive Scanning Techniques

    Active Scanning Techniques

Actual Attacks

    SQL Script Injection

    Cross-Site Scripting

    Password Cracking


Test Your Skills

Chapter 7: Industrial Espionage in Cyberspace


What Is Industrial Espionage?

Information as an Asset

Real-World Examples of Industrial Espionage

    Example 1: VIA Technology

    Example 2: General Motors

    Example 3: Interactive Television Technologies, Inc.

    Example 4: Bloomberg, Inc

    Example 5: Avant Software

Industrial Espionage and You

How Does Espionage Occur?

    Low-Tech Industrial Espionage

    Spyware Used in Industrial Espionage

    Steganography Used in Industrial Espionage

Phone Taps and Bugs

Protecting against Industrial Espionage

Industrial Espionage Act

Spear Phishing


Test Your Skills

Chapter 8: Encryption


Cryptography Basics

History of Encryption

    The Caesar Cipher

    Multi-Alphabet Substitution

    Binary Operations

Modern Methods

    Single-Key (Symmetric) Encryption

    Public Key (Asymmetric) Encryption

Legitimate Versus Fraudulent Encryption Methods

    Digital Signatures



Encryptions Used in Internet

Virtual Private Networks





Test Your Skills

Chapter 9: Computer Security Software


Virus Scanners

    How Does a Virus Scanner Work?

    Virus-Scanning Techniques

    Commercial Antivirus Software


    Benefits and Limitation of Firewalls

    Firewall Types and Components

    How Firewalls Examine Packets

    Firewall Configurations

    Commercial and Free Firewall Products

    Firewall Logs


Intrusion-Detection Software

    IDS Categorization

    IDS Approaches


    Honey Pots

    Other Preemptive Techniques


Test Your Skills

Chapter 10: Security Policies


What Is a Policy

Defining User Policies


    Internet Use

    Email Usage

    Installing/Uninstalling Software

    Instant Messaging

    Desktop Configuration

    Final Thoughts on User Policies

Defining System Administration Policies

    New Employees

    Departing Employees

    Change Requests

    Security Breaches

    Virus Infection

    Denial of Service Attacks

    Intrusion by a Hacker

Defining Access Control

Developmental Policies

Standards, Guidelines, and Procedures


Test Your Skills

Chapter 11: Network Scanning and Vulnerability Scanning


Basics of Assessing a System







Securing Computer Systems

    Securing an Individual Workstation

    Securing a Server

    Securing a Network

Scanning Your Network



Getting Professional Help


Test Your Skills

Chapter 12: Cyber Terrorism and Information Warfare


Actual Cases of Cyber Terrorism

China Eagle Union

Economic Attacks

Military Operations Attacks

General Attacks

Supervisory Control and Data Acquisitions

Information Warfare


    Information Control


Actual Cases

Future Trends

    Positive Trends

    Negative Trends

Defense against Cyber Terrorism


Test Your Skills

Chapter 13: Cyber Detective


General Searches

Court Records and Criminal Checks

    Sex Offender Registries

    Civil Court Records

    Other Resources



Test Your Skills

Chapter 14: Introduction to Forensics


General Guidelines

    Don’t Touch the Suspect Drive

    Document Trail

    Secure the Evidence

    FBI Forensics Guidelines

Finding Evidence on the PC

    Finding Evidence in the Browser

Finding Evidence in System Logs

    Windows Logs

    Linux Logs

Getting Back Deleted Files

Operating System Utilities

    Net Sessions




The Windows Registry


Test Your Skills

Appendix A: Glossary

Appendix B: Resources

General Computer Crime and Cyber Terrorism

General Knowledge

Cyber Stalking

Identity Theft

Port Scanners and Sniffers

Password Crackers



Counter Spyware

Cyber Investigation Tools

General Tools

Virus Research

9780789748904   TOC   12/6/2011


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