1. Grass Valley Learning Center www.GVLearningCenter.com Surf the Net Safely Roger Thornburn

2. Grass Valley Learning Center www.GVLearningCenter.com March 2005 2 Topics to talk about The Three Main Threats to Your Computer Hackers Viruses Spyware/Hijackers Annoyances Email Spam Pop-up Ads

3. Grass Valley Learning Center www.GVLearningCenter.com March 2005 3 Why This Topic Things you’ve heard From us at the Learning Center From the media From ads But Now… With new tools from Microsoft for Windows XP Simple to use Reduces risk significantly And “free” email services That provide virus free email And Spam free email

4. Grass Valley Learning Center www.GVLearningCenter.com March 2005 4Risk Does this now mean you are risk free? What is risk “free”? Can you guarantee you won’t have an accident going home today? You need to assess your risk tolerance and decide on the tools and expense for you! What I’m showing you today are FREE tools that I believe reduce risk to an acceptable level (for me)

5. Grass Valley Learning Center www.GVLearningCenter.com March 2005 5Hackers What do Hackers do? Try to get your passwords Use keystroke loggers Look at your files What Hackers don’t do Typically cause problems Slow down the computer Add viruses How to protect your computer from Hacking Use a FIREWALL (only one) Now comes as standard with Windows XP (SP2)

6. Grass Valley Learning Center www.GVLearningCenter.com March 2005 6Hackers Now Let’s Do It! Hacker Dial Up DSL Cable etc Your Computer Unique IP Address (just like your tel#) The Internet (just a collection of computers connected together) Your ISP Hacker’s ISP

7. Grass Valley Learning Center www.GVLearningCenter.com March 2005 7Viruses How do you get a Virus? It must come into your computer in an “infected” file Only from “program” files Not from pictures, and most documents and files Almost all viruses are an ATTACHMENT to an email. Can be caught by downloading programs from Internet Only download from a “known/reputable” site Can also be transmitted by an infected CD or floppy Only accept programs on floppies and CD’s from “friends”

8. Grass Valley Learning Center www.GVLearningCenter.com March 2005 8Viruses How to prevent Use an AntiVirus program (eg Norton, McAfee, etc) Effective But $$, large downloads, and slows computer AVG free is available – but updates can be slow Use an email service that scans ALL your email Yahoo, Excite, Google, Dell, etc. These companies use the very best AV technology and scan all your email Only download programs from known sites I download ~5 programs a month – never had a virus Don’t accept programs on CD from unknown people

9. Grass Valley Learning Center www.GVLearningCenter.com March 2005 9 Spam/Hijacking & MalWare What is this? Probably the most annoying and intrusive Much of it is innocuous and maybe useful Tracking cookies – can help pay for free websites Often installed with new computers or Programs Backweb, Broderbund, etc. to track your internet habits Too much of this can slow your computer (always running) Most is installed from Internet sites Kazaa, other “less desirable” web sites Often requires the user to “Accept” something Some is malicicous Change installed applications Change internet settings (home page, plug-ins, navigation) Alter security settings

10. Grass Valley Learning Center www.GVLearningCenter.com March 2005 10 Spam/Hijacking & MalWare How to protect your computer Install programs like Ad-Aware or SpyBot These scan and provide a “cure”, not “prevention” Download and Install MS AntiSpyware Free program and updates Integrates with the operating system Offers PREVENTION – intercepts:  Changes to your Internet Browser  Changes to your installed applications  Adding known spyware  Changes to your security settings  Etc. Let’s do it!

11. Grass Valley Learning Center www.GVLearningCenter.com March 2005 11 Web Based Email The Internet (just lots of computers connected together) Friend’s Computer Dial Up DSL Cable etc Your Computer Your ISP (eg theunion.com) Friend’s ISP Web Based Email Server (eg Yahoo) Your Email Inbox, etc. Internet Explorer View of Your Email Inbox, etc. Internet Explorer View of Friend’s Email Inbox, etc. Friend’s Email Inbox, etc. & Web Email Server

12. Grass Valley Learning Center www.GVLearningCenter.com March 2005 12 Web Based Email Your Email folders are NOT on your computer They are on the Email Service provider’s computer Inbox, Outbox and other folders only viewed when you are connected to the internet The email service provides virus protection Latest technology, fully up-to-date – ALL email and attachments are scanned The email service provides Spam protection Customizable, self learning, filters, blockers Let’s go create an email account! Yahoo.com Dell.Myway.com

13. Grass Valley Learning Center www.GVLearningCenter.com March 2005 13 Pop-up Ads To stop pop-up ads, use a popup blocker Many free ones available Built into MS Internet Explorer (with SP2) DON’T use more than one pop up blocker Let’s do it!

14. Grass Valley Learning Center www.GVLearningCenter.com March 2005 14 To Sum Up Hackers: Use the Windows XP Firewall – safe and easy Will stop anyone “seeing” into your computer Spyware & Malware, etc. Download and use the MS AntiSpyware product PREVENTS unwanted changes to your computer Fully automatic Virus Use a web based email system, and be careful of what Programs you download If you’re risk tolerance is low, buy an AV product, or use AVG “free” (www.grisoft.com)

15. Grass Valley Learning Center www.GVLearningCenter.com March 2005 15 To Sum Up (cont.) Spam control Use a web based email service Excellent “self learning” spam control Pop Up Blocker Use MS Internet Explorer in SP2

16. Grass Valley Learning Center www.GVLearningCenter.com Enjoy Your Surfing Experience