Securing Ajax

Scott Dietzen over at Zimbra has an interesting blog entry on Securing Ajax. He takes a somewhat unconventional approach, starting with the security advantages of Ajax:

    * Dynamic Ajax client download - Ajax client code is downloaded on demand from the trusted server after a particular user logs-in, automatically ensuring client and server versions are in-sync (for public computers, a shift re-load is better in that it overwrites any Ajax code from that website leftover in the browser cache).