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Linux.com: Network Intrusion Detection, An Analyst's Handbook [Book Review]

Jun 18, 2000, 13:14 (0 Talkback[s])
(Other stories by Paul Gray)

"It was not too long ago, and certainly an experience to remember. If you had ever shared in such an experience, you would know the tell-tale signs too. It coincides with a deep, sinking feeling; not in your stomach, but in the back of your head, bringing on the type of sensation that makes your vision a bit unfocused and makes your thoughts slightly more acute. Yes, those of you who have experienced this know all to well the emotions associated with the realization that an unwelcome guest has paid your system a visit."

"That's right: "cracked!" An intruder had violated my system boundaries and had taken liberties with who-knows-what."

"You can learn a lot from a cracker, especially in the newly-discovered time that you now find yourself with as you reinstall the operating system from the ground up. After pulling the remains of your system off onto a Jaz drive or 8mm tape, you are alone with a distribution CD and the screen showing the progress of the what used to be the system partitions being reformatted. So, while the disk is being formatted and the CD is spinning, there's plenty of time to educate yourself with the trails left behind by the cracker -- from the safety of a laptop -- that is not hooked up to the network -- that you will be returning to your buddy soon anyway."

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