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Protect Secure Information - Disable Internet Explorer's AutoComplete Feature

written by: PreciousJohnDoe•edited by: Bill Bunter•updated: 1/24/2011

Internet Explorer comes with an AutoComplete feature that remembers what you type in Web forms & next time you want to type in the same text, it completes the text as soon as you start typing. Caching information makes it easier for hackers to collect information & attack your system. Read more...

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    AutoComplete Feature – Why And How to Disable It

    Internet Explorer's AutoComplete feature, when enabled, starts remembering information that we type in. It can remember anything such as user name, URL, password, etc, as we enter in a web form.

    It shows a list of previously entered values for a form field, in a drop-down list. It helps speeding up the filling process in the web forms, thus, saves you from typing.

    This may be useful if you are frequent visitor to a particular website or if you need enter same information on a form every time you open it.

    However, if someone else uses your machine with the same account, he may be able to see websites you visited or get access to your username and password information, which can then possibly be misused.

    You might be using a public Computer and do not want other people who will use the same PC after you, know all you entered in web forms and even know your user names and passwords.

    Using AutoComplete feature can be a security risk. It also makes easier for hackers and Trojans to steal your personal information and accounts logon credentials. Therefore, it is recommended this feature is disabled to increase privacy with IE

    AutoComplete option can be disabled from AutoComplete Settings window. To open the AutoComplete window, first:

    1- Open the Internet options from either the Control Panel or from Internet Explorer itself by choosing 'Internet Options' from the Tools menu.Internet Options from Tools Menu in IE 2- In the Internet Options, click on the Content Tab.Internet Options - Content Tab 3- Click on the AutoComplete button, a new window will appear.AutoComplete Options 4- Now, uncheck all options under ‘Use AutoComplete for’.

    5- Finally, click on ‘Clear Forms’ and ‘Clear Passwords’ buttons to delete all previously stored entries.

    Tip: The stored URLs can also be deleted from General Tab in Internet Options, by clicking on 'Clear History' button.

    Auto Complete does not depend on cookies; it stores all data in Windows Registry. So, no worries about deleting the cookies. Once you have cleared all previously stored entries from AutComplete settings window, the data will get deleted from the Registry automatically

    It must be remembered that Internet Explorer comes enabled with this feature. If you ever install a fresh Windows on your PC, make sure you also disable AutoComplete feature by following the abovementioned steps.

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    Support For Web Developers

    Web developers have an option of using HTML tag in the web pages they create, to disable the AutoComplete feature of I.E.

    To disable AutoComplete for a particular field, simply use the <input> tag and add “autocomplete = off” to it, for example:

    <input type="password" name="password" autocomplete="off">

    </input>

    It is also possible to add the same attribute to the <form> tag as well - It will disable AutoComplete option for all the fields in a form.