Defend I.T.: security by example by Ajay Gupta

By Ajay Gupta

Guard I.T.: safety by means of instance attracts on distinctive struggle tales to spot what was once performed correct and what was once performed improper in real computer-security assaults, supplying you with the chance to learn from genuine studies. ways to securing platforms and networks fluctuate generally from to and association to association. by way of interpreting numerous real-life incidents businesses are too embarrassed to publicly proportion, the authors clarify what might have been performed in a different way to prevent the losses incurred - even if making a various procedure for incident reaction or having greater protection countermeasures in start line with.

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Although the system may simply belong to a hacker, we generally think of a zombie as being a machine that is unwittingly (to its owner) used as part of a DoS attack. 1 DoS Root Kit One highly popular method of mounting a DoS attack is to gain either authorized or unauthorized access to a system, and install what is known as a root kit, including a set of DDoS tools. Several packaged root kits available on the Web are specific for use on certain operating systems. Following a basic client/server setup, the hacker sits on a client machine and dispatches commands (identity of target, type of traffic to use, and so on) to handlers, also known as master servers, who communicate the attack information from the client to the actual attacking host, called the agents, or zombies, which do the attacking two degrees of separation away from the perpetrator.

Although the developers spent some time and energy in optimally designing the AppsNet, they spent very little in designing their own network or the DevNet. There's a finite collection of resources, after all, and the Aspen developers chose to put their money into the AppsNet, from which they make their money, and just get by with their own network. 2. 3 The Incident This incident was not discovered by flashing lights and alerts set off by an intrusion detection system (IDS) or through a noticeable decline in network speeds (see Chapter 6, Virus Outbreak II: The Worm).

The cyber crime team wrote up a report highlighting this information and presented it to Aspen. Copies were also made available to REM, as well as to the appropriate authorities. The report did not proclaim the hacker's guilt that would be for a court to decide but merely presented the facts of the case. With this report and all the gathered evidence (and a properly maintained chain of custody), Aspen would have the option to seek criminal or civil action. 5 Repercussions In this case, the repercussions of the compromise, although felt most strongly by Aspen, were shared among many parties all of the clients on Aspen's application network.

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