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Then all your data is encrypted from your browser to the SSL website where the bank’s website will use the information from the certificate it gave you to decrypt your data/credentials. If that is truly the case, then it is pretty darn hard for a hacker to decrypt the data/credentials being transmitted, even if he is able to sniff your data.
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He runs a series of utilities to redirect other user’s data through his machine. He runs a number of other utilities to sniff the data, act as an SSL Certificate Server and to be the Man-the-Middle. The following diagram shows a very simplified graphic of how your SSL Banking session should work under normal conditions, then how it would work during an attack:Īn important concept to grasp here is that a certificate is used to establish the secure SSL connection. This is a good thing, if you have a good certificate and are connecting directly to the website to which you intended to use. The hacker goes to coffee shop and connects to the same Wi-Fi network you are connected to.
The fatal flaw that enabled the sensitive information to be stolen is possible when an end-user is not properly educated on an easy to do and well-known SSL exploit – SSL MITM. The problem is that it is not “virtually impossible” for someone else to see your data, such as login information or credit card numbers. It can actually be relatively easy, as you’ll see, if you as an end-user are not knowledgeable about how you can be exploited and know the signs that this is occurring.įigure 2 (Indicates a Secure SSL Session)Ĭontinuing with the scenario, what you didn’t realize is that a hacker has intercepted your Online Banking login credentials and credit card information and can now log into your Online Banking Website or purchase items with your credit card. How is this possible, since SSL was used and is hard to break? The answer is that you made a fatal mistake that subjected you to an SSL Man-in-the-Middle (MITM) attack. Discover Card, for example, posts the following statement on their website:
It is not uncommon to perform banking and to purchase products online with your credit card. It is also a common thought that doing so is secure, as this is done via SSL. For the most part, this is true and the sessions are secure. will be encrypted with 128-bit encryption. You go to a coffee shop for a cup of coffee and to utilize the shop’s Wi-Fi HotSpot to surf the web. You connect to the hotspot network and decide to perform some online banking or to purchase something online. By the way, this could happen to you at home, as well. As an end-user, you feel quite secure, as you see the lock in the bottom corner of your Internet browser, symbolizing that the online banking or online credit card transaction is safe from prying eyes. Your data, including username, password, credit card info, etc. Paraphrased comments on have ranged from ‘Fantastic’ and ‘Awesome’ to ‘That’s not really hacking’ and ‘Where’s the beef.’ Well… just remember that you asked for it! The Scenario
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His very popular column on wireless hacking and how to prevent it is generating a lot of interest with over 125,000 page views and counting.
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