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This paper shows a new DNS attack that hijacks DNS requests by frequently injecting fake DNS server, and then network systems communicate with wrong destinations. So requests with different destination DNS IP addresses can be redirected toward a fake DNS server by a hacker. This type of attack is detectable by neither the EDS nor any anti spoofing software.
Most of the security problems in large and distributed information systems are vastly complex. Few research on detection of burgeoning Distributed Denial of Service (DDoS) attacks, leads us to expand our perspectives to a comprehensive architectural approach in which particular issues like arrangement and communication of system components appear. In this paper, many useful ideas from the behaviour...
Frequent episode discovery in alerts generated by intrusion detection systems has useful information for administrators. In this paper we consider the process of discovering frequent episodes in event sequences. Counting the frequencies of a set of candidate episodes is the most computationally intensive part of this process. We investigate the frequency counting algorithms and present the hardware...
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