The good and the bad of browser cookies

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The good and the bad of browser cookies

• What are cookies?

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What are Cookies?

• Cookies are text files with small pieces of data
  like a username and password that are used to
  identify your computer as you use a computer
  network. Specific cookies known as HTTP cookies
  are used to identify specific users and improve
  your web browsing experience.

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Different types of cookies - Magic Cookies and
HTTP Cookies

• Magic Cookies are an old computing term that
  refers to packets of information that are sent
  and received without changes.
• HTTP Cookies are a repurposed version of the
  magic cookie built for internet browsing. Web
  browser programmer Lou Montulli used the magic
  cookie as inspiration in 1994.

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Advantages of cookies

• The cookies are simple to use implement , They
  do not require any server resources , They are
  stored on the users computer , so , no extra
  burden on the server they can lighten the load
  on the servers memory , They are light in size ,
  So , They occupy less memory and you do not need
  to send back the data to the server .
• You can configure the cookies to expire when the
  browser session ends ( session cookies ) or they
  can exist for a specified length of time on the
  clients computer ( persistent cookies ) and the
  cookies persist a much longer period of time than
  Session state .

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Disadvantages of cookies

• The cookies are not secure as they are stored in
  a clear text no sensitive information should be
  stored in cookies , They may pose to a possible
  security risk because anyone can open tamper
  with the cookies .
• You can manually encrypt decrypt the cookies ,
  but it requires extra coding , You can affect
  the application performance because of the time
  that is required for encryption decryption .

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What Are Cookies Used For?

• Session management. For example, cookies let
  websites recognize users and recall their
  individual login information and preferences,
  such as sports news versus politics.
• Personalization. Customized advertising is the
  main way cookies are used to personalize your
  sessions. You may view certain items or parts of
  a site, and cookies use this data to help build
  targeted ads that you might enjoy.
• Tracking. Shopping sites use cookies to track
  items users previously viewed, allowing the sites
  to suggest other goods they might like and keep
  items in shopping carts while they continue
  shopping.

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First-Party vs. Third-Party Cookies

• First-party cookies are directly created by the
  website you are using. These are generally safer,
  as long as you are browsing reputable websites or
  ones that have not been compromised.
• Third-party cookies are more troubling. They are
  generated by websites that are different from the
  web pages users are currently surfing, usually
  because they're linked to ads on that page.

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Thank You
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