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COOKIES - PowerPoint PPT Presentation


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COOKIES INTERNET COOKIES What are they Where are they found What should you do about them INTERNET COOKIES MISCONCEPTION A SMALL PROGRAM SEARCHES FOR PERSONAL INFORMATION CAN HARM YOUR COMPUTER IDENTIFIES YOU TO BUISINESSES INTERNET COOKIES ACTUAL DEFINITION

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COOKIES


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internet cookies
INTERNET COOKIES
  • What are they
  • Where are they found
  • What should you do about them
internet cookies3
INTERNET COOKIES
  • MISCONCEPTION
  • A SMALL PROGRAM
  • SEARCHES FOR PERSONAL INFORMATION
  • CAN HARM YOUR COMPUTER
  • IDENTIFIES YOU TO BUISINESSES
internet cookies4
INTERNET COOKIES
  • ACTUAL DEFINITION
  • Short pieces of data used by web servers to help identify web users
  • Placed on your hard drive by server
  • Identifies your IP address during your visit
  • Helpful on shopping sites
internet cookies5
INTERNET COOKIES
  • WEB BROWSER REQUESTS A FILE FROM A SERVER
  • IF NO COOKIE, SERVER ISSUES ONE
  • COOKIE IS SENT TO SERVER- IF ALREADY EXISTENT
  • SERVER READS COOKIE AND SENDS IT BACK WITH UPDATE
internet cookies6
INTERNET COOKIES
  • COOKIE EXPIRATION
  • NO EXPIRATION DATE
  • PERSISTENT
internet cookies7
INTERNET COOKIES

WHO CAN SEE THE COOKIES?

Only the server that put the cookie on your hard drive.

Larger sites can set a domain attribute for other servers in the same subdomain

internet cookies8
INTERNET COOKIES
  • WHAT INFO CAN COOKIES RETURN?
  • IP ADDRESS
  • YOUR TYPE OF BROWSER
  • OPERATING SYSTEM
  • NUMBER OF VISITS TO WEB SITE
  • VOLUNTEERED INFORMATION
internet cookies9
INTERNET COOKIES

SHOPPING COOKIES

IDENTIFIES YOU WITH A NUMBER

KEEPS TRACK OF YOUR SHOPPING CART

AT CHECK OUT - IT LISTS YOUR SELECTIONS

internet cookies10
INTERNET COOKIES
  • WHY A BAD REPUTATION FOR COOKIES??
  • WHEN USED AS A TRACKING DEVICE
  • CAN SEE WHAT WEB PAGES YOU VISIT, HOW OFTEN, AND HOW LONG
  • CLICKING ON AD BANNERS
  • USED TO INFER YOUR INTERESTS
internet cookies11
INTERNET COOKIES
  • THE IMFAMOUS DOUBLECLICK
  • LARGE PROVIDER WITH AD BANNERS ON MANY SITES
  • COOKIES ARE VISBILE ON MULTIPLE SITES FOR TRACKING
  • CAN SEE SEARCH STRINGS YOU TYPE INTO SEARCH ENGINES
  • FORMS RICH PROFILES OF USERS
  • THREATENED TO PERSONALIZE
internet cookies12
INTERNET COOKIES
  • WHERE ARE THESE COOKIES ON YOUR HARD DRIVE??
  • DEPENDS ON WEB BROWSER
  • C:\WINDOWS\COOKIES
  • C:\WINDOWS\PROFILES\COOKIES DIRECTORIES IN NT OR WINNT
internet cookies13
INTERNET COOKIES
  • WHAT TO DO ABOUT THEM
  • IN BROWSER TOOLS\INTERNET OPTIONS\TEMPORARY INTERNET FILES-- DELETE THEM
  • IN C:\WINDOWS\COOKIES, SELECTIVELY DELETE THEM
internet cookies14
INTERNET COOKIES
  • MANAGE COOKIES FROM BROWSER
  • TOOLS\INTERNET OPTIONS\PRIVACY\ADVANCED PROMT BEFORE ACCEPTING OR BLOCK
  • REMEMBER SOME SITES REQUIRE COOKIES FOR ACCESS!!
internet cookies15
INTERNET COOKIES
  • MANY COOKIE TOOLS TO MANAGE COOKIES WITH
  • AD-AWARE WILL FIND ALL SPYWARE AND TRACKING COOKIES http://www.lavasoft.de/software/adaware/
  • WWW.COOKIECENTRAL.COM/FILES.HTM
  • WWW.GUIDESCOPE.COM/HOME/
internet cookies16
INTERNET COOKIES
  • P3P- PRIVACY PREFRENCES PROJECT
  • EMERGING INDUSTRY STANDARD FOR USERS TO GAIN MORE CONTROL OVER THEIR PRIVATE INFORMATION
  • IN IE 6.0 IT READS THE PRIVACY POLICY ON WEB SITES AND ALLOWS YOU TO SET YOUR TOLERANCE.