Simple computer security

Simple Computer

Security

Disinfect Your PC

CA

with Eric Geier and Jim Geier

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Simple Computer

Security

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Simple Computer

Security

Disinfect Your PC

CA

with Eric Geier and Jim Geier

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Simple Computer Security: Disinfect Your PC

Published by

Wiley Publishing, Inc.

10475 Crosspoint Boulevard

Indianapolis, IN 46256

www.wiley.com

Copyright © 2007 by Wiley Publishing, Inc., Indianapolis, Indiana

Published simultaneously in Canada

ISBN: 978-0-470-06854-0

Manufactured in the United States of America

10 9 8 7 6 5 4 3 2 1

1B/QT/QR/QX/IN

No part of this publication may be reproduced, stored in a retrieval system or transmitted

in any form or by any means, electronic, mechanical, photocopying, recording, scanning or

otherwise, except as permitted under Sections 107 or 108 of the 1976 United States

Copyright Act, without either the prior written permission of the Publisher, or

authorization through payment of the appropriate per-copy fee to the Copyright Clearance

Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600.

Requests to the Publisher for permission should be addressed to the Legal Department,

Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447,

fax (317) 572-4355, or online at http://www.wiley.com/go/permissions.

LIMIT OF LIABILITY/DISCLAIMER OF WARRANTY: THE PUBLISHER AND THE

AUTHOR MAKE NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THE

ACCURACY OR COMPLETENESS OF THE CONTENTS OF THIS WORK AND SPECIF￾ICALLY DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION WAR￾RANTIES OF FITNESS FOR A PARTICULAR PURPOSE. NO WARRANTY MAY BE

CREATED OR EXTENDED BY SALES OR PROMOTIONAL MATERIALS. THE ADVICE

AND STRATEGIES CONTAINED HEREIN MAY NOT BE SUITABLE FOR EVERY SITU￾ATION. THIS WORK IS SOLD WITH THE UNDERSTANDING THAT THE PUBLISHER

IS NOT ENGAGED IN RENDERING LEGAL, ACCOUNTING, OR OTHER PROFES￾SIONAL SERVICES. IF PROFESSIONAL ASSISTANCE IS REQUIRED, THE SERVICES

OF A COMPETENT PROFESSIONAL PERSON SHOULD BE SOUGHT. NEITHER THE

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WORK AS A CITATION AND/OR A POTENTIAL SOURCE OF FURTHER INFORMA￾TION DOES NOT MEAN THAT THE AUTHOR OR THE PUBLISHER ENDORSES THE

INFORMATION THE ORGANIZATION OR WEBSITE MAY PROVIDE OR RECOMMEN￾DATIONS IT MAY MAKE. FURTHER, READERS SHOULD BE AWARE THAT

INTERNET WEBSITES LISTED IN THIS WORK MAY HAVE CHANGED OR DISAP￾PEARED BETWEEN WHEN THIS WORK WAS WRITTEN AND WHEN IT IS READ.

For general information on our other products and services or to obtain technical support,

please contact our Customer Care Department within the U.S. at (800) 762-2974, outside

the U.S. at (317) 572-3993 or fax (317) 572-4002.

Library of Congress Cataloging-in-Publication Data: Available from Publisher

Trademarks:Wiley, the Wiley logo, and related trade dress are trademarks or registered

trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other

countries, and may not be used without written permission.The CA logo and related CA

trademarks are trademarks or registered trademarks of CA International, Inc. All other

trademarks are the property of their respective owners.Wiley Publishing, Inc., is not

associated with any product or vendor mentioned in this book.

Wiley also publishes its books in a variety of electronic formats. Some content that appears

in print may not be available in electronic books.

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Credits

Executive Editor

Carol Long

Senior Development Editor

Tom Dinse

Production Editor

Angela Smith

Copy Editor

Kathryn Duggan

Editorial Manager

Mary Beth Wakefield

Production Manager

Tim Tate

Vice President and

Executive Group Publisher

Richard Swadley

Vice President and

Executive Publisher

Joseph B.Wikert

Project Coordinator

Jennifer Theriot

Graphics and Production

Specialists

Carrie Foster

Brooke Graczyk

Denny Hager

Jennifer Mayberry

Barbara Moore

Quality Control Technicians

Laura Albert

Jessica Kramer

Proofreading and Indexing

Techbooks

Estalita Slivoskey

Anniversary Logo Design

Richard Pacifico

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Acknowledgments

CA would like to thank all of the people who have contributed their

technical, editorial, administrative, and/or creative expertise to the

making of its first series of CA Simple computer solution books.

Laural Gentry

Diana Gruhn

Lawrence Guerin

Mark Haswell

Robyn Herbert

Christopher Hickey

George Kafkarkou

David Luft

Gary McGuire

Stefana Ribaudo-Muller

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Contents

Acknowledgments vii

Introduction xvii

Part I: Understand the Threats and Solutions 1

Chapter 1: Viruses, Spyware, and Other Malware

Infections 3

About Viral Infections 3

About Spyware 5

Adware 7

Prevalence of Malware 7

Threats Affect Online Behavior 8

Chapter 2: Spam, PC Intrusion, and Inappropriate

Content 11

About Spam 11

About PC Intrusion 12

Inappropriate Content 13

Chapter 3: Solutions to Online Threats 17

Combat Viruses, Spyware, and Other Malware 17

Get Rid of Spam 20

Stop PC Intrusions 21

Protect Your Family from Inappropriate Content 22

Active Protection: CA Internet Security Suite 23

Why Choose CA Internet Security Suite? 26

CA Anti-Virus: Complete Virus Protection 27

CA Personal Firewall: Complete Hacker and Privacy

Protection 29

CA Anti-Spyware: Comprehensive Anti-Spyware Solution 30

CA Anti-Spam: Complete Spam Protection 32

Blue Coat K9 Web Protection:Take Control 33

Part II: Detect and Eliminate Threats 35

Chapter 4: Installing CA Internet Security Suite 2007 37

Operating System Support 37

System Requirements 38

Individual Programs 38

Before Installing CA Internet Security Suite 2007 40

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x Contents

Installing CA Internet Security Suite 2007 40

Step 1 40

Step 2 41

Step 3 41

Step 4 42

Step 5 43

Step 6 43

Step 7 44

Step 8 45

You’re Done! 45

Prior to Installing Blue Coat K9 Web Protection 46

Installing Blue Coat K9 Web Protection 46

Step 1 46

Step 2 47

Step 3 47

Step 4 48

Step 5 49

Step 6 49

Step 7 50

You’re Done! 51

Chapter 5: Using the CA Security Center 53

Open the CA Security Center 53

The CA Security Center Window 55

Status Information 57

Common Functions 58

Use the System Tray Icon 58

Chapter 6: Detecting and Eliminating Viruses 61

Virus Scanning and Detection Methods 61

Open CA Anti-Virus 62

CA Anti-Virus Introduction 65

Overview Screen 65

Real-Time Protection Status 66

Email Protection Status 67

Last Product Update Status 68

Last System Scan Status 68

Product License Status 68

Quarantine Screen 69

Options Screen 70

Reports Screen 70

Common Tasks 71

Secure Now 71

Perform an On-Demand Virus Scan 72

Full System Scan 72

Perform a Partial On-demand Virus Scan 74

Turn Real-Time Protection On or Off 75

Enable Snooze 75

Awake from Snooze 77

Enable the Real-time Scanner 79

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Disable the Real-time Scanner 80

Enable the Real-time Email Scanner 81

Disable the Real-time Email Scanner 83

Schedule Automatic Scans 84

Advanced Tasks 85

Exclude Files and Folders from Virus Scanning 86

Add Files or Folders to the On-demand

Scanner Exclusion List 86

Edit the On-demand Scanner Exclusion List 87

Add Files or Folders to the Real-time Scanner

Exclusion List 89

Edit the Real-time Scanner Exclusion List 90

Working with Quarantined Items 92

View Your Quarantined Items 92

Delete Items 93

Restore Items 95

Enable or Disable Automatic Quarantine 97

On-demand Scanning 97

Real-time Scanning 97

Real-time Email Scanning 98

Enable or Disable Additional Scanning Methods 99

On-demand Heuristic Scanning 99

Real-time Scanner Heuristic Scanning 100

Network File Scanning 102

Enable or Disable Virus Cleaning Methods 103

On-demand Scanning 103

Real-time Scanning 104

Real-time Email Scanning 104

Restore Scan Settings Defaults 105

Chapter 7: Stopping Hackers from Attacking Your PC 107

Firewall and Protection Methods 108

Authorization Methods 108

The Firewall Zones 110

Application Control 111

Identity Theft and My Safe 111

Email Protection 112

Mobile Code Protection 113

Expert Firewall Rules 113

CA Personal Firewall Introduction 114

Open CA Personal Firewall 114

Overview Screen 118

Firewall Screen 120

Application Control Tab 121

Zones Tab 123

Expert Rules Tab 125

Privacy Screen 127

Internet Browser Protection Tab 128

Cache Cleaner Tab 131

ID Theft Tab 132

Contents xi

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Email Screen 133

Protection Settings 134

Email Attachments 135

Reports Screen 136

Settings Tab 136

Log Viewer 137

Option Menus 138

General Options 138

Firewall Options 139

Privacy Options 140

Email Options 145

Common Tasks 147

Secure Now 147

Block All Internet Access 148

Restore Internet Access 149

Clean Cache Now 150

Advanced Tasks 150

Firewall 151

Add an Application 151

Edit Application Access 152

Add Expert Rules to an Application 154

Add Expert Firewall Rules 161

Zone Protection Levels 166

Change Your Safe Zone 167

Change Your Restricted Zone 168

Assign Network Adapters and Ports to Zones 170

Internet Browser Protection 171

Manage Sites 171

Change the Cookie Control Protection Level 173

Change the Ad/Pop-up Blocker Protection Level 175

Change the Mobile Code Protection Level 177

Cache Cleaner 179

Schedule the Cache Cleaner 179

Clean Cache Now 180

Customize the Cache Cleaner 181

ID Theft 182

Add Private Information to My Safe 182

Edit Private Information in My Safe 184

Add a Trusted Site 187

Edit a Trusted Site 188

Email 191

Enable or Disable Inbound Email Protection 191

Enable or Disable Outbound Email Protection 192

Add Attachments to Inbound Email

Protection List 193

Edit Attachments in the Inbound Email

Protection List 194

Configure Advanced Outbound Email

Protection 196

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