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I definitely advise you not to use email within cookies. Solution: As everything else, sessions are not safe for 100%, but still it is better to generated unique session identifier in the cookie, and store everything else on your server instead. This pretty much eliminates common threats such as cookie poisoning.
Cookies are not harmful; they don’t carry viruses or malware, and they don’t store personal information about you. But some websites may not be secure, which can allow hackers to intercept cookies and abuse the information they carry.
Can cookies be deleted?
On older Android devices you’ll have to press the hardware menu key and then tap “More.” Go to the “Settings” menu. On the settings menu, look for “Privacy & security” and select “Clear private data.” After you have made your selection, tap the “Clear data” button to finalize deleting cookies.
What information can be stored in cookies?
Cookies can store a wide range of information, including personally identifiable information (such as your name, home address, email address, or telephone number).
If you store information on a users computer, where you have no control over it, it is not secure. That user or anybody else with access to that computer can change the contents of that cookie. Note that you can encrypt the information before you store it in a cookie, and that you always should validate user input.
Risk Associated with Cookies 1 Cross Site Request Forgery Attack (XSRF) A browser sends a cookie in response to a request, regardless of where the request came from. 2 Session Fixation. Session fixation attacks are based on application level. 3 Cross-Site Scripting. 4 Cookie Tossing Attack. 5 Cookie Overflow Attack.
Where are cookies stored in a web browser?
Session cookies are only stored for the duration of a web browsing session and are deleted as soon as the visit is complete. These cookies are stored in your browser’s temporary memory folder and do not collect personal data. They are most commonly used in online shopping sites where information is passed from one page to another.
When to use a cookie to store authentication?
If, for some reason, you needed to use a cookie to store authentication, the preferred approach is to use a randomly generated session identifier that is tracked on the server and can be expired.