A new malware threat targets both Microsoft's Windows and Apple's Mac operating systems, combining a 64-bit rootkit exploiting 64-bit versions of Windows with a rogue antivirus for Mac computers.

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Microsoft reins in a Trojan horse and steps on the Stuxnet worm.

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According to a blog posting by Brian Krebs, many anti-virus products do not make full use of Windows' Data Execution Prevention (DEP) and Address Space Layout Randomisation (ASLR) features in order to thwart attacks targeted at potential vulnerabilities.

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Hi-tech criminals are "escalating" attacks on an unpatched bug in the Windows XP help and support system

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David Green normally only accessed his company’s online bank account from his trusty Mac laptop. Then one day this April while he was home sick, Green found himself needing to authorize a transfer of money out of his firm’s account. Trouble was, he’d left his Mac at work. So he decided to log in to the company’s bank account using his wife’s Windows PC.

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A year after doomsday reports, 10% of systems unpatched against worm's exploits

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One click bares entire C drive

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The "critical" WINS vulnerability that Microsoft issued a patch for last week is now being exploited actively in the wild, according to the SANS Institute.

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