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Within one week's time, we stumbled across two different sites using cookies the wrong way. While the attack vectors were a bit different, both sites trusted the cookie data to secure their users' accounts. Therefore, this week we are going to spend some time discussing cookies, when they should be used, and what can happen if they are misused.

What are Cookies?

Before a web developer can understand the dangers associated with trusting cookies to store sensitive data, it is important to recognize what they are, and what they aren't. Specifically, a cookie is just a small text file that is stored on your computer by a specific website. Cookies are not programs, they can't read your personal data, and they don't cause spam. In fact, cookies can be very helpful if used within the correct context.



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