The widely report attacks on banks in South Korea provide a strong lesson in the importance of using up-to-date software.

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As the Los Angeles Times reports, the attack was not technically sophisticated.  Nevertheless, as the New York Times reports, the attack was extremely effective in causing havoc in South Korea.

Avast! has determined that this attack exploited non-current versions of Internet Explorer.   If the users had been using correctly configured versions of current software, instead of being damaged, the attack would have been stopped by the browser.

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