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Exactly! Imagine if your bank had such a redirect URL available, Phishing would be so simple.

Some banks display a customer preselected image after the user name & before entering a password. This seems to be a good solution to phishing if one keeps the username private. Otherwise a site could give you the option of using two part passwords.

... and a study a while back showed that, if you simply don't show that image, a large majority of users don't notice. For this reason, the whole "sitekey" phenomenon strikes me as a waste of time.

This? http://usablesecurity.org/emperor/ - it is an interesting read.

It should also be noted that it's not even a 25% benefit for them, but it does help security, even if slightly. I think lowering phishing 1% could be massive for any major bank.

Isn't this incredibly simple to defeat? The phishing site can send your username to the real bank's website and retrieve the image.

If you do that, the bank will notice a bunch of connections from the same IP for different usernames.

You could use a botnet to do the lookups, but that still makes the attack substantially more difficult.

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