According to Dell SecureWorks security researcher Don Jackson, the Gameover malware is actually a preview of the next version of the Zeus Trojan.

"Jackson, who has been tracking the Zeus malware and its developer for years, said that Gameover posed a new and more dangerous threat because it had been created by the maker of Zeus specifically at the behest of one of his biggest clients," writes Computerworld's Gregg Keizer.

"Gameover, which Jackson said should be considered a 'private version' of Zeus, also supports the use of complex Web injections that allow criminals to bypass multi-factor authentication now used by many financial institutions to stymie account plundering," Keizer writes.

Go to "Researcher traces 'Gameover' malware to maker of Zeus" to read the details.

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