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Chapter Nine

Chapter Nine. Maintaining a Computer Part II: Internet Privacy and Security. Strata Objectives Covered. 4.1 (3.1 FC0-U11 U.K.) Recognize the basic security risks and procedures to prevent them Identify security threats related to: cookies, pop-ups, and accidental misconfiguration

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Chapter Nine

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  1. Chapter Nine Maintaining a ComputerPart II: Internet Privacy and Security

  2. Strata Objectives Covered 4.1 (3.1 FC0-U11 U.K.) Recognize the basic security risks and procedures to prevent them • Identify security threats related to: cookies, pop-ups, and accidental misconfiguration 4.2 (3.2 FC0-U11 U.K.) Recognize security breaches and ways to resolve them • Recognize the proper procedures to maintain a secure environment 2

  3. Avoiding Identity Fraud • Use strong passwords • Change passwords frequently • Do not share personal information with untrusted sources • Be aware of social engineering tricks

  4. Social Engineering • Tricking someone into sharing personal information • Examples: • Email • Pop-up web window • Phone call • Instant message

  5. Web Browser Risks • Malware scripts embedded in web pages • ActiveX controls that cause harm when downloaded • Low security settings in browser prevent warnings from being displayed for risky content • Cookies store personal information, compromising privacy

  6. Cookies • A plain text file that a web page stores on your hard disk for tracking purposes • Usually harmless, and may perform useful functions • Risks: • Cookies can deliver personally identifiable information to website • A virus may copy a stored password from a cookie and send it to someone

  7. Cookies • First-party cookie: placed on computer by a website you visit • Third-party cookie: placed on computer by an ad on a website • Session cookie: persists only as long as web browser is open • Persistent cookie: stays on the hard disk after you close the browser

  8. Cookies in IE

  9. Pop-Ups • An extra, small browser window that appears automatically when you click a link or open a page • Usually a nuisance, displaying ads • Browsers may block some pop-ups automatically • To allow a pop-up, hold down Shift as you click the link to display the page

  10. Pop-Ups in IE

  11. Secure Sites • Encrypt transmissions between client and web server to prevent snooping • Typically begin with https:// • Secure Sockets Layer (SSL) is one of the technologies for generating secure connections • Security certificates verify that the site is legitimate

  12. Secure Sites in IE

  13. Security Certificates in IE

  14. Phishing • Site that masquerades as a legitimate secure site but steals your login information • Also called spoofing • Can be solicited via email or another website • Most browsers have some phishing protection, such as SmartScreen Filter in IE

  15. SmartScreen Filter in IE

  16. InPrivate Browsing • Highly secure browsing mode that guards your privacy • History, cookies, user names, passwords, and temporary files are not stored • To enable, choose Tools, InPrivate Browsing • Close browser window when finished

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