IT Observer - Zombie machines used in 'brutal' SSH attacks

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Zombie machines used in 'brutal' SSH attacks
Friday, 03 June 2005, 09:06 GMT

It's a tedious activity that can put the best of IT administrators to sleep. But as security and compliance manager for a large U.S. healthcare organization, Adam Nunn has learned to study his network activity logs religiously. He knows that when the bad guys work overtime to break his defenses, those logs can be the first sign of trouble.

He had a more relaxed approach to log checking at home. But one day he had a look and was alarmed to find that more than 1,000 brute force attacks had been targeting his personal Web server for a month.

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