Are our cyber defenses even weaker since 9/11?

Following the Sept. 11, 2001, terrorist attacks, many physical security systems in the United States underwent radical change. But what of our constantly growing online systems? Each new hacking attack and government revelation seems to indicate that national online defenses are weaker than ever.

Source: http://www.msnbc.msn.com/id/44461435/ns/technology_and_science-security/

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