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SPYWARE

SPYWARE. 2005-06 Computer Applications L6D, LAM Siu Fai (18). Approximately 90% of all computers worldwide that use the Internet have been -----or currently are----- infected with spyware. Adware Vs. spyware. Password. Account name. Adware Vs. spyware. Symptoms of Spyware Infection.

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SPYWARE

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  1. SPYWARE 2005-06 Computer Applications L6D, LAM Siu Fai (18)

  2. Approximately 90% of all computers worldwide that use the Internet have been -----or currently are----- infected with spyware.

  3. Adware Vs. spyware

  4. Password Account name Adware Vs. spyware

  5. Symptoms of Spyware Infection • Soooo slow • start up / shut down • programs • mouse response

  6. Symptoms of Spyware Infection • Pesky pop-ups • large quantity of pop-up advertisements

  7. Symptoms of Spyware Infection • Home page hijack • ‘home page’ changed without users’ notice • New bookmarks • new web links are added to computer • Unusual icons • strange shortcuts

  8. Symptoms of Spyware Infection • Automatic redialing • connect to the Internet via dial-up connection • Abnormal activity • send/receive large amount of data • Uninvited toolbars • strange toolbars have been added

  9. How does spyware infect a computer? • Internet advertisement • File-sharing software • Pirated software • Fake spyware-removal programs • E-mail attachments • Hackers

  10. What does spyware do? • Installation of ‘keystroke logging’ program • Hijack internet browser / homepage • Track Internet-surfing habits • Hogs system’s memory, CPU cycles & Internet bandwidth • Creates its own files, cookies, DDLs, registry key…

  11. If you think your computer is infected with spyware • Don’t take chances! • Scan and remove them immediately • Steps • download 2 spyware-removal programs • install and update separately • scan the entire computer • remove or quarantine the found spyware • repeat with another program

  12. Anti-spyware programs • 2 types: • reactive programs can remove spyware that already lurks on the computer • proactive programs can prevent entry of spyware by using a virtual shield

  13. Reactive anti-spyware programs • Ad-Aware free version • www.lavasoftusa.com • Spybot search and destroy • www.safer-networking.org

  14. Proactive anti-spyware programs • spy sweeper • www.webroot.com • etrust pestpatrol • www.ca.com • McAfee antispyware • www.mcafee.com

  15. Be a smart user!

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