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

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Grass Valley Learning Center www.GVLearningCenter.com Surf the Net Safely Roger Thornburn Slide 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 Slide 3 Grass Valley Learning Center www.GVLearningCenter.com March 2005 3 Why This Topic Things youve 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 Slide 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 wont have an accident going home today? You need to assess your risk tolerance and decide on the tools and expense for you! What Im showing you today are FREE tools that I believe reduce risk to an acceptable level (for me) Slide 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 dont 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) Slide 6 Grass Valley Learning Center www.GVLearningCenter.com March 2005 6Hackers Now Lets 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 Hackers ISP Slide 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 CDs from friends Slide 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 Dont accept programs on CD from unknown people Slide 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 Slide 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. Lets do it! Slide 11 Grass Valley Learning Center www.GVLearningCenter.com March 2005 11 Web Based Email The Internet (just lots of computers connected together) Friends Computer Dial Up DSL Cable etc Your Computer Your ISP (eg theunion.com) Friends ISP Web Based Email Server (eg Yahoo) Your Email Inbox, etc. Internet Explorer View of Your Email Inbox, etc. Internet Explorer View of Friends Email Inbox, etc. Friends Email Inbox, etc. & Web Email Server Slide 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 providers 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 Lets go create an email account! Yahoo.com Dell.Myway.com Slide 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) DONT use more than one pop up blocker Lets do it! Slide 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 youre risk tolerance is low, buy an AV product, or use AVG free (www.grisoft.com) Slide 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 Slide 16 Grass Valley Learning Center www.GVLearningCenter.com Enjoy Your Surfing Experience