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Windows Lockdown!: Your XP and Vista Guide Against Hacks, Attacks, and Other Internet Mayhem
- By Andy Walker
- Published Jul 28, 2008 by Que.
Book
- Sorry, this book is no longer in print.
Description
- Copyright 2009
- Edition: 1st
- Book
- ISBN-10: 0-7897-3672-1
- ISBN-13: 978-0-7897-3672-7
Today, if you own a Windows computer you need to understand the risks and the potential damage security threats pose. The mere act of turning on an Internet-connected computer can put you, your family, and even your personal finances at risk!
This book defines all the threats an average household might face and provides strategies to turn novice and basic users into adept home security experts, making you safer and more secure from cyber criminals.
We start off with plain English definitions for security mumbo jumbo, and then we dig in with step-by-step instructions to help you cut your exposure in less than 10 minutes! Finally, we provide steps for more involved security measures that you can do in a weekend.
We also take an in-depth look at the security measures Microsoft put in Windows Vista. We also look at how Vista responds to the key threats. It teaches you how to tweak the system and make Microsoft’s new security features–like the User Access Control–less annoying and helps you adjust the system to be usable. It shows you how to set up Vista to protect your system from your kids–the biggest security hazard to your computer.
• More than 5 million spam emails flood the Internet daily–many with your name on them–we show you how to make yourself invisible to detestable spammers!
• Did you know that hackers are snooping around your IP address right now, while you read this? They might already have breached what security you have and could be running amok with your personal data. Stop them dead in their tracks with a few simple steps!
• Identity theft is the most popular form of consumer fraud today, and last year thieves stole more than $100 million from people just like you. Put a stop to the madness with the steps provided in this book!
• Spyware–nasty little programs that you might not even know you have installed on your PC–could be causing your PC to crash. We show you how to root it out of your system and prevent further infection.
Andy Walker is one of North America’s top technology journalists and is the author of Que’s Absolute Beginner’s Guide to Security, Spam, Spyware & Viruses and Microsoft Windows Vista Help Desk. Since 1995, he has written about personal computer technology for dozens of newspapers, magazines, and websites. Today, his columns (and hundreds more technology how-to articles) are published at Cyberwalker.com where more than 5 million unique
visitors read the advice annually. Andy co-hosted the internationally syndicated TV show Call for Help with Leo Laporte. Alongside his ongoing TV guest appearances, he also hosts the popular tech video podcast Lab Rats at LabRats.tv.
Sample Content
Online Sample Chapter
Spam: Unwanted Email from Hell
Sample Pages
Table of Contents
Part 1: Security Basics: Some Very Real Threats
1 Viruses: Attack of the Malicious Programs........................................... 3
What Is a Computer Virus?......................................... 4
What Is It?........................................................................................... 5
Who Triggers a Computer Virus?.............................................. 5
How Does It Spread?...................................................................... 6
What Damage Can It Do?............................................................. 7
Viruses: As Many Kinds As Sniffles in Kindergarten...... 9
Macro Viruses................................................................................... 10
Memory-Resident Viruses.......................................................... 12
File Infector Viruses...................................................................... 13
Boot Viruses...................................................................................... 13
Multi-Partite Viruses..................................................................... 13
Worms: Network-Savvy Viruses............................................ 14
Trojan Horses: Hey Helen, the Achaeans Left Us a Present! 16
Virus Hoaxes: Fake Viruses That Scare the Heck Out of You 18
Who Creates Computer Viruses?................................. 20
What Not to Do!..................................................... 22
When Viruses Attack!.............................................. 23
Disconnect As Soon As Possible............................................ 25
Virus Infection Found! How to Clean Your System.... 26
My Antivirus Program Won’t Update!.................................. 27
Now That I Have Your Attention….............................. 29
Antivirus Defense: Tactics for XP and Vista.................. 31
Install Windows Security Updates and Service Packs 31
Update Your Virus Signatures................................................. 32
Install or Upgrade an Antivirus Program............................ 34
Scan Your Computer for Viruses........................................... 38
Install Service Packs on Windows XP................................. 38
Monitor and Tweak Windows Security Center.............. 39
Understanding User Account Control.................................. 42
I Hate UAC......................................................................................... 43
Review and Set Up Administrator and Standard User Accounts. 44
Review and Tweak Data Execution Prevention Settings. 44
No Worm in My Apple?.............................................. 48
Is That a Virus in Your Pocket?.................................. 49
Absolute Minimum.................................................... 50
2 Spyware: Overrun by Advertisers, Hijackers, and Opportunists 51
What Is Spyware?................................................... 52
What Does Spyware Do and Why Is It Bad?................. 52
How Does Spyware Sneak onto My Computer?.............. 53
Types of Spyware: Snoops, Adware, Cookies, and More. 55
Spyware: I Spy with My Little App...................................... 55
Adware: Attack of the Pop-ups............................................ 55
Snoopware: I Wanna Know What You’re Up To!......... 56
Browser Hijackers: Turn This Browser Around, We’re Going to Cuba.com 57
Key Loggers: Snooping on Your Typing Skills................ 59
Dialers: Dial In, Dial Out, Dial Often.................................... 59
Trojan Horses: Pretty Ponies with Deadly Insides...... 60
Cookies: Does My Oreo Have a Tape Recorder in It? 61
Who Is at Risk?....................................................... 63
How Do I Know If I Have Spyware?............................. 64
Defend Yourself Against Spyware............................... 65
Spyware Countermeasures: 10-Minute Tactics........... 65
Download a Free Antispyware Program............................. 65
Increase Browser Security Settings.................................... 70
Run Windows Update Frequently.......................................... 72
Update Your Spyware Signatures......................................... 72
Ban All Spies: Strong Spyware Defense in an Afternoon.. 73
Run a Full System Scan.............................................................. 73
Install a Second Antispyware Program.............................. 74
Inoculate Your System............................................................... 75
Use Firefox As Your Primary Browser.................................. 76
IE7’s Protected Mode on Vista............................................... 77
Clean Cookies................................................................................... 79
Spyware Infection Found! How to Scrub Your System 81
The Absolute Minimum.............................................. 84
3 Rootkits: Sneaky, Stealthy Toolboxes................................................. 87
What Is a Rootkit?.................................................. 88
What Are Rootkits Used For?.................................................. 88
Rock Star Rootkit: Sony’s Famous Malware................... 89
How to Recognize a Sony Copy-protected CD............. 90
How to Remove Sony BMG Copy-protection.................. 91
How to Remove XCP..................................................................... 91
How to Remove MediaMax........................................................ 92
How a Rootkit Works.................................................................... 92
Rootkit Detection and Removal.................................. 93
Mostly Protected? You Can Do Better Than That!..... 94
Free Rootkit Scanners................................................................. 95
How to Use System Restore to Turf a Rootkit............... 98
The Absolute Minimum............................................ 100
4 Hackers: There’s a Man in My Machine............................................. 101
What Is a Hacker?................................................. 102
Who Are the Hackers?............................................ 102
What Damage Can Hackers Do?................................ 103
Targets of a Hack Attack........................................ 103
Corporate Networks................................................................... 103
Web Servers................................................................................... 104
Personal Computers.................................................................... 104
Hacker Motivation: I Think, Therefore I Hack.............. 105
Tools of the Trade: Pass Me a Trojan Horse, Would You? 105
Firewall: Shut Out the Hackers................................. 106
Software Firewalls: Programs That Stop Hackers......... 108
Windows Firewall: Built-in Defense................................... 108
Third-Party Software Firewalls............................................ 110
Recommended Firewall Freebies.......................................... 112
Easy Defense with a NAT Firewall..................................... 114
Stateful Inspection: The Meticulous Traffic Cop...... 116
How to Detect a Hacker Attack................................ 117
How to Fix a Hacker Attack..................................... 119
Steps You Can Take Immediately After Being Hacked 119
Batten Down the Hatches–Ten-Minute Tactics........... 123
Turn on Windows Firewall....................................................... 123
Installing a Firewall on a Mac OS X System................ 125
Wall Off the World–Install a Better Firewall in an Afternoon 125
Install a Two-way Software Firewall............................... 125
Install a Hardware Firewall..................................................... 129
The Absolute Minimum............................................ 131
5 Identity Thieves and Phishers: Protect Your Good Name and Bank Account 133
What Is Identity Theft?.......................................... 134
Techniques Thieves Use to Steal Your Identity........ 134
How They Become You: Identity Theft Techniques 135
Preventative Measures: How to Not Become a Victim 136
Signs You’re a Victim................................................................. 137
What to Do If You’re an Identity Theft Victim........... 137
What Is Phishing?.................................................. 138
How Does Phishing Work?........................................ 141
Email Address Spoofing............................................................ 141
Link Spoofing.................................................................................. 142
Web Address Spoofing.............................................................. 144
What Is Pharming?................................................. 145
What Damage Can Be Done By Phishing?.................... 148
Who Is at Risk? Everyone!....................................... 149
Don’t Get Phished: 10-Minute Tactics to Stay Off the Hook 149
They Won’t Ask, You Don’t Tell.......................................... 149
Use Caution and Cut and Paste.......................................... 149
Communicate Securely............................................................. 150
Install an Anti-Spam Filter..................................................... 151
Block Phishing Sites with NetCraft.................................... 151
Carry a Big Spoofstick.............................................................. 152
Keep Your Antivirus and Antispyware Programs Up-to-Date 153
Keep Your Computer Software Up-to-Date................. 154
Vista’s Anti-Phishing Features............................................. 154
Ensure You Are You: Take an Afternoon to Protect Your Identity 156
Check Your Credit Reports..................................................... 156
Shred It Before You Chuck It............................................... 158
Read Your Statements............................................................. 158
The Absolute Minimum............................................ 159
6 Spam: Unwanted Email from Hell........................................................... 161
What Is Spam?..................................................... 162
Why Does Spam Keep Coming?................................. 163
Specialty Spam..................................................... 164
Malware and Scam Distribution........................................... 164
Hobbit Spam................................................................................... 165
SPIM and Non-email Spam..................................................... 165
Why Doesn’t Someone Stop the Spammers?............... 166
How Do Spammers Get My Email Address?.................. 167
Website Harvesting.................................................................... 167
Dictionary Spamming................................................................. 167
Commercial Email Lists.............................................................. 168
Newsgroups, Discussion Forums, and Interactive Websites 168
Contests and Other Free Offerings................................... 169
Email Forwarding.......................................................................... 169
Data Theft....................................................................................... 170
The Damage Spam Can Do...................................... 170
Reduce the Flow–10-minute Tactics to Reduce Spam.. 172
Don’t Respond................................................................................ 172
Don’t Post Your Email Address on the Web.................. 172
Webmasters Shouldn’t Use mailto...................................... 172
Turn Off Image Display in Email Programs..................... 173
Tweak Junk Mail Filtering on Your Mail Server............ 175
Turn on Junk Mail Filtering...................................................... 176
Kill More Spam–In an Afternoon............................... 177
Install an Anti-Spam Program............................................... 178
Fight Back!...................................................................................... 179
The Absolute Minimum............................................ 180
7 Wireless Network Snoops: Lock Down Your Wi-Fi Network... 183
What Is a Wireless Home Network?........................... 184
What Damage Can a Wireless Network Snoop Do?........ 187
Who Are the Snoopers?.......................................... 188
Wardrivers........................................................................................ 188
Bandwidth Bandits....................................................................... 192
Wireless Hackers.......................................................................... 194
Dead-End Wi-Fi Access Points............................................ 194
Your Wi-Fi Network Is Full of Holes!.......................... 195
How to Access Your Router Setup.................................... 196
First Line of Defense: Secure Your Wi-Fi Network........ 200
Turn On WEP.................................................................................. 200
Turn On WPA.................................................................................. 204
MAC Address Filtering: Keep Out the Scottish.......... 208
Detecting a Visit from a Wireless Snoop..................... 212
I’m Under Attack! What to Do If You Discover a Wireless Network Snoop? 214
Turn Off Wireless Access........................................................ 214
Activate Security Measures.................................................. 214
Assess the Damage.................................................................... 214
Wireless Security Workup: Quick Tactics and Some That Take a Little More Time 216
10-Minute Tactic: Change the Router’s User ID and Password 217
10-Minute Tactic: Change Your Default SSID............ 217
10-Minute Tactic: Turn On the Windows Firewall.... 219
10-Minute Tactic: Turn Off UPnP...................................... 222
10-Minute Tactic: Turn Off Your Router When Not in Use 222
10-Minute Tactics: Vista Network and Sharing Settings 223
Private vs. Public......................................................................... 224
Network Discovery...................................................................... 224
File Sharing...................................................................................... 225
Public Folder Sharing................................................................. 225
Printer Sharing............................................................................... 225
Password-Protected Sharing................................................ 225
Media Sharing................................................................................ 225
Time-Intensive Tactic: Be Careful with File Sharing 226
The Absolute Minimum............................................ 231
Part 2: Hardcore Help for Safe and Secure Computing
8 Damage Control–How to Remove Viruses and Spyware Infections 235
Evasive Action: Quick Steps You Can Take to Halt the Infection 236
Disconnect the Internet and Evaluate............................ 236
Inventory Your Tools and Their Status.......................... 238
Gather Information...................................................................... 241
Jump into Safe Mode................................................................. 243
Search and Destroy: Techniques to Target the Infection and Remove it 245
Replace Tools and Update Signatures............................. 246
Scan Your System...................................................................... 247
Infection Found!........................................................................... 248
System Restore............................................................................ 249
Scan and Remove with a Targeted Tool........................ 250
How to Manually Remove a Virus.............................. 252
Do Your Research........................................................................ 252
Disconnect....................................................................................... 253
Back Up Data................................................................................. 253
Disable System Restore........................................................... 254
Work in Safe Mode...................................................................... 255
Clean Out Windows Startup.................................................. 255
Turn Off Services........................................................................ 256
Clean Out the Registry............................................................. 257
Disable Malware that Runs as a Windows Service... 258
Delete Files and Folders Related to the Malware...... 259
Restart and Check...................................................................... 259
Remove a Browser Hijacker with Hijack This!............... 260
Installing and Using HijackThis............................................. 261
Recruit a HijackThis Expert.................................................... 262
Do-It-Yourself HijackThis........................................................ 263
Check the Memory First........................................................... 264
Here Spyware, Spyware. It’s Time to Die..................... 265
Decimate the Little Suckers with CWShredder.......... 268
The Absolute Minimum............................................ 269
9 Ground Up Security–Wipe Your Hard Drive and Build a Secure Windows PC from the Ground Up 271
Light the Fuse and Stand Back................................. 271
Let’s Get Started................................................... 272
Installation or System Recovery Disc.............................. 272
Windows Service Packs........................................................... 273
Windows XP SP2: The Mother of All Service Packs 274
XP SP3: Even More Fixes........................................................ 275
Windows Vista SP1: Microsoft’s Repair Job.................. 275
Collect Your Drivers.................................................................... 275
Installation Discs for Your Programs................................. 276
Internet Service Software and Settings........................ 277
Step 1: Download Drivers and Software You Need for the Reinstall 277
Got a Recovery CD? That’s Good News!........................ 277
Retail Copy of Windows? There’s Some Work to Do 278
Step 2: Back Up!................................................... 282
Outlook.............................................................................................. 283
Outlook Express/Windows Mail............................................. 284
Documents Folder........................................................................ 285
IE Favorites and Cookies......................................................... 285
Firefox Favorites.......................................................................... 285
Saved Games................................................................................. 286
Pictures, Music, and Videos.................................................. 286
Microsoft Office 2003 Settings............................................ 286
Windows Media Player.............................................................. 286
Other Odds and Ends................................................................ 288
Saving Your Windows Settings............................................ 289
Step 3: Pull the Plug on the Network......................... 291
Step 4: Set Your Boot Sequence.............................. 292
Step 5: Start the Installation................................... 294
Step 5a: Using a System Recovery CD/DVD................ 295
Step 5b: Using a Windows XP CD.............................. 296
Destroy the Partition................................................................. 297
A Fresh Copy of Windows XP............................................... 302
Input the License Key and Finish Up................................ 302
Step 5c: Using a Windows Vista DVD......................... 304
Install Vista from the Desktop............................................. 306
Installing a Fresh Copy of Windows Vista..................... 307
Finish the Vista Install.............................................................. 311
Step 6: Reinstall Your Drivers................................... 314
Use System Restore Before Installing Drivers............. 316
Step 7: Install Protection Against Malware................. 317
Install an Antivirus Program................................................... 318
Install an Antispyware Program........................................... 318
Install a Firewall........................................................................... 319
Step 8: Install Firefox............................................. 321
Step 9: Configure Your Networking........................... 323
Dial-up................................................................................................ 323
Step 10: Install Security Fixes and Service Packs........ 324
Windows Update in XP.............................................................. 325
Windows Update in Vista........................................................ 327
Windows Validation in XP........................................................ 327
Windows Validation in XP........................................................ 328
Step 11: Configure Your Security Settings................. 329
Security Tweaks for Windows XP...................................... 329
Security Tweaks for Windows Vista................................. 333
Tweak User Account Control................................................ 335
Step 12: Update All of Your Security Programs and Security Signatures 336
Step 13: Activate Windows..................................... 337
Step 14: Reinstall Your Programs.............................. 337
Microsoft Office Updates........................................................ 338
Step 15: Other Things You Can Do........................... 339
The Absolute Minimum............................................ 341
10 Ongoing Maintenance: Fend Off Future Threats!....................... 343
Note to Self: Keep Computer Secure......................... 344
Daily Routines: Walk the Dog, Feed the Kids, and Secure the Computer 344
Update Your Antivirus and Antispyware Signatures 344
Update AVG Signatures............................................................ 345
Update Windows Defender..................................................... 346
Update Spybot Search & Destroy...................................... 347
Weekly Routines: Never Be Bored on Saturday Morning. 348
Scan for Viruses and Spyware............................................. 348
Check for Firefox Updates...................................................... 350
Report Problems, Get Solutions........................................... 351
Monthly Routines: Clean the Garage, Trim the Hedge, and Update Windows 352
Windows Updates........................................................................ 353
When Updates Bite Back......................................................... 355
Check for Anti-Rootkit Updates.......................................... 356
Inspect Other Computers....................................................... 356
Router Firmware Updates........................................................ 356
Patch Microsoft Office.............................................................. 358
Software Updates....................................................................... 360
Bathe Once a Year Whether You Need It or Not and Reformat and Reinstall, Too 361
Wipe Your Hard Drive and Reinstall Windows.............. 361
The Absolute Minimum............................................ 362
Part 3: Tools for Maintenance and Protection
11 Selecting Software: Steals, Deals, and Software Duds.......... 365
Security Software: Nothing in Life Is Free, Except Software 366
Payware: Software You Pay Hard-Earned Cash For 366
Freeware: Don’t Pay a Cent for Software.................... 367
Weirdware: When It’s Not Payware or Freeware.......... 368
Gimpware: Free Software, But Not All the Bits Work 368
Trialware: It’s Free, Until It’s Not...................................... 369
Shareware: I Trust You to Pay Me................................... 369
What Should I Pay for My Security Toolbox?............... 370
Choosing the Right Security Software........................ 372
Antivirus............................................................................................ 372
Antispyware.................................................................................... 373
Firewall............................................................................................... 374
Anti-Spam........................................................................................ 375
The Absolute Minimum............................................ 376
12 Tools of the Trade: Security Products You Should Own........ 379
Which Security Software Is Right for You?................. 380
Security Suites..................................................... 380
Symantec Norton Internet Security................................. 381
McAfee Internet Security Suite.......................................... 382
F-Secure Internet Security................................................... 383
CA Internet Security Suite Plus.......................................... 384
Webroot AntiVirus with AntiSpyware & Firewall........ 384
ZoneAlarm Internet Security Suite................................... 384
ESET Smart Security................................................................. 386
Panda Internet Security.......................................................... 386
Trend Micro Internet Security............................................. 387
Antivirus Programs................................................. 387
Freeware........................................................................................... 387
Paid Antivirus Programs............................................................ 389
Antispyware.................................................................................... 392
Freeware........................................................................................... 392
Paid Antispyware Programs.................................................... 395
PC Tools Spyware Doctor....................................................... 396
Firewalls.............................................................. 397
ZoneAlarm Free............................................................................. 397
Comodo Free Firewall................................................................ 397
PC Tools Firewall Plus................................................................ 398
Anti-Spam............................................................ 398
McAfee Internet Security Suite (Anti-Spam)............. 398
Cloudmark Desktop..................................................................... 399
Spam Arrest.................................................................................... 400
CA Anti-Spam 2007.................................................................... 401
SpamBayes...................................................................................... 401
Glossary............................................................................................................... 403
TOC, 0789736721, 7/9/08
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