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Your Location Can Be Tracked

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Web Safety Info & Tips

There are a lot of different ways browsers that can be exploited by hackers, malware, or other threats. Below are some properties that display just some of the information you browser knows about the device you are currently using to access the internet to view this page.

Even simple javascript is capable of gleaning a lot of information about your browser and computer, as shown below:

As you can see, it's fairly easy and simple for almost anyone who can develop web pages to access information about your device. The center column lists examples of several other properties that can easily be used by anyone who can develop web pages to access information about your device.

More Ways to Access Information About Your Device

Below is a list of a few examples of more properties that can easily be used by anyone who can develop a web page to access more information about your device.


"Name of the browser displaying the page."


"Version of the web browser displaying the page."


"API for accessing the user's current location and user permission settings denying or allowing access to that information."


"Whether the browser currently has a network connection."


"Operating system in use on the client computer."


"Strong stored in the HTTP user-agent request header, which contains information about the browser, the platform name, and compatibility."

List of properties and their defintion is from Table 5-10 on pages 344-345 of JavaScript, 6th Edition by Sasha Vodnik and Don Gosselin.

These properties exist because they are useful for performing essential functions beneficial to the user. There are also plenty of ways users can protect themselves by knowing how to use the web safely. Several useul tips and links are described in the column to the right.

Online Browsing Security Tips & Articles

McAfee lists 10 important tips to browsing the web safetly.

Top tip: Use Complex Passwords
Make sure your passwords are not simple and easy to guess or hack. The more complex a password is, the harder it is to hack. You can make your passwords more complex by making them longer, using a combination of lowercase and uppercase letters, numbers, and special characters. It also helps not to use common words and phrases that could be easily recognized. Ideally, all your passwords for every one of your online accounts should be different from your other accounts.

Read the article for more tips and details.

Lifehacker Article: Best Browsers to Protect Your Online Privacy

This article reviews, describes, rates, and ranks several browsers for their privacy. You can read a review and description of each browser on the list to decide if one of these is right for you.

Read the article

Lifehacker Article: What to Do When There's a Data Breach

This article gives advice on what you can do about it if hackers steal your sensitive information like credit cards, bank account, take your social security benefits, or wrack up debt in your name.

Read the article