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Danger in those Tiny URLs

David Weiss writes a thoughtful and well researched analysis of the potential security risks of shortened URLs should they become ubiquitous. It is well worth a read:

The Security Implications of URL Shortening Services

Shortened URLs hide the destination site from the viewer until they’ve visited the potentially malicious site, they bypass SPAM filters and Safe browsing features. They are only necessary in twitter and twitter-like short messages; and twitter could easily compact long URLs automatically and re-expand them for display.

This computer security alert was brought to you by the letter H and the numbers 3 and 9.

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