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Man-in-the-Middle Attacks: Part One

What connects Mary, Queen of Scots with a €6 million internet scam? The answer is Man-in-the-Middle (MITM) attacks.

Way back in the 16th Century, Mary was the victim of insecure lines of communication. Messages between Mary and her supporters were intercepted and amended by Queen Elizabeth I’s spies, implicating Mary in an assassination plot and leading to her untimely demise.

Fast forward to today and similar interceptions are scarily common. Modern MITM attacks occur when an individual can read or write data transmitted by you and the website you are browsing, essentially convincing you that he/she is the website and vice versa.

In 2015, 49 suspects across Europe were arrested after they gained access to various company networks and executed multiple, large-scale MITM attacks worth €6 million by swapping out genuine payment requests for duplicate versions. The good news is that such attacks rely on flaws in security. And that’s where HTTPS comes to the rescue…

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