Programming, Security, Privacy, Technical

A Study in IDN Homograph Attack Detection

A Brief Introduction…

How well do you scrutinize the URLs that you click in a browser? Are you the wild type who click links before you read them? Or perhaps you are the cautious type — One of the careful number who hover over the link (without clicking), check the address that appears in the browser bar, and that it has a valid certificate (which might not mean so much as people think).

Let’s say that you are trying to get to ‘facebook.com’. You see a link and hover over it. The URL that appears in the browser bar says ‘facebook.com’. You click the link, but it takes you to a phishing site.

What happened? You checked the link. It said it was ‘facebook.com’!

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