Phishing with Unicode Domains - Xudong Zheng

Domains registered with punycode names (and then given TLS certificates) are worryingly indistinguishable from their ASCII counterparts.

Can you spot the difference between the URLs https://adactio.com and https://аdаctіо.com?

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Extended Validation is Broken

How a certificate with extended validation makes it easier to phish. But I think the title could be amended—here’s what’s really broken:

On Safari, the URL is completely hidden! This means the attacker does not even need to register a convincing phishing domain. They can register anything, and Safari will happily cover it with a nice green bar.

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IncrementURL

Jake’s got an idea for improving the security of displaying URLs in browsers.