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Research Paper | Computer Science & Engineering | India | Volume 4 Issue 6, June 2015
Online Detection of Malicious Transactions from Database System
Dhanashree Parchand | Harmeet Kaur Khanuja
Abstract: As today-s era mostly concentrated on online activities like net banking, e-transaction, security and privacy issues are at the peak with respect to their significance. Every organization is related with vast amount of information which is valuable. As database contains huge amount of information, data should be consistent, accurate and correct. Large numbers of database security breaches are occurring at a very high rate on daily basis. Today many approaches are used to protect the data as well as networks from attackers (attacks like SQLIA, Brute-force attack). Intrusion Detection System (IDS) is a way to make data more secure. Many researchers are concentrated on networks and operating system in this intrusion detection field. Proposed approach is for database so that it will prevent the data loss, maintain consistency and accuracy. Database security research is concerned about the protection of database from unauthorized access and malicious behavior. The unauthorized access is of many types, it may be in the form of execution of malicious transaction and this may lead to break the integrity of the system. Banking is the sector which is affected by this unauthorized activities and malicious transactions. So, it is today-s need to detect all this malicious transactions and also to provide some recommendation. In this paper, we proposed a system here to detect online malicious transactions. We also aim to reduce the future attacks and to detect major database attacks. In order to detect malicious transactions, we used data mining algorithm for framing a data dependency miner for our banking database IDS. Our methodology extracts the read-write dependency rules from the normal transactions and then these rules are used to check whether the coming transaction is malicious or not. Our system overcomes some drawbacks of existing system like it finds the malicious transactions that corrupt data items and also identifies the transactions that write data without permission and read data without permission. Eventually, we are pointing out the challenges in the field of database security and how these challenges can be used as opportunities to stimulate the area of database privacy and security. In this detection, we are using data mining algorithm ODADRM for designing a data dependency miner for our database intrusion detection system. ODADRM extracts read-write dependency rules and it tracks normal transaction and also detects malicious ones more effectively than existing approaches.
Keywords: Malicious Transaction, Data Mining, Data Dependency, Intrusion Detection System
Edition: Volume 4 Issue 6, June 2015,
Pages: 403 - 408
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