"At LinuxWorld today, SPI Dynamic's senior security engineer,
Matt Fisher, talked about the vulnerabilities of Web 2.0. His talk,
although not much different from that of his colleagues Billy
Hoffman and Brian Sullivan last week at Black Hat, offered some new
examples of what criminals are doing online, armed with little more
than a desktop browser. Cross-site scripting attacks are the No. 1
threat, according to the Mitre organization, in part because they
are so easy to do.
"In particular, Fisher singled out social-networking
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