Exercise 14: Electronic Payments and Security II
1. What are cookies and how are they used to improve security?
A cookie is a text-only string that gets entered into the memory of your browser. This value of a variable that a website sets. If the lifetime of this value is set to be longer than the time you spend at that site, then this string is saved to file for future reference.
2. Can the use of cookies be a security risk?
There are some cookies that are malicious cookies that hackers sometimes use to store your information - the keystrokes, sometimes your passwords and your user names - and they use these cookies to send information from your computer to theirs. If you value your security on the internet, you can set your web browser settings to a very high security so that websites don't retain these cookies.
The following video can be used to understand the ffect of cookies on security
http://www.videojug.com/expertanswer/internet-safety/how-do-cookies-affect-my-internet-security
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