Spoofing URLs with Unicode

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Over at SlashDot there’s a discussion about an article in Scientific American describing

how a pair of students at the Technion-Israel Institute of Technology registered “” with Verisign, using the Russian Cyrillic letters “c” and “o”. Even though it is a completely different domain, the two display identically (the article uses the term ‘homograph’).

Because the letters look very similar, a user will blithely click on a “spoofed” URL, and instead of going to the “safe” site they expect, experience any number of Nasty Things.

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