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Cis 60

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Submitted By david1211
Words 665
Pages 3
Jialiang Cui
ID: 00952328
CIS 60
Chapter 10

RQ1:
A cookie, also known as a tracking cookie, browser cookie, or HTTP cookie, is a text file that is stored on your computer by a website. The cookie can be used to track such information as shopping cart contents on websites, preferences, or authentication.
A website uses cookie software and code for a variety of different reasons. Depending upon what the website is attempting to use the cookie for will influence how the website uses the cookie. For example cookies can be used to: * Track an individual’s time on a website. * Store data about a user during his or her navigation of a website, even over a number of visits. When a cookie is used like this, it can be used as a shopping cart application on the website.
Cookies are stored on the user's hard drive. The directory is different for each platform.
RQ2:
Steganography is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message, a form of security through obscurity. Well through the 20th century, stenography was a necessary skill for secretaries, reporters, and other people who needed to quickly and accurately record written information. In all cases, the goal of stenography is to make it easy to write something down quickly and with great accuracy. Using stenography, someone can record information much more quickly than he or she could be writing.
Like many security tools, steganography can be used for a variety of reasons, some good, some not so good. Legitimate purposes can include things like watermarking images for reasons such as copyright protection. Digital watermarks are similar to steganography in that they are overlaid in files, which appear to be part of the original file and are thus not easily detectable by the average person. Further,

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