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network intrusion detection system (24 results)
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- CAMNEP: Agent-Based Network Intrusion Detection System
- This paper presents a prototype of agent-based intrusion detection system designed for deployment on high-speed backbone networks. The main contribution of the system is the integration of several anomaly detection techniques by means of collective trust modeling within a group of collaborative detection agents, each featuring a specific detection algorithm....
- White papers 2008-05-16
- An Immune Inspired Network Intrusion Detection System Utilising Correlation Context
- Network Intrusion Detection Systems NIDS are computer systems which monitor a network with the aim of discerning malicious from benign activity on that network. While a wide range of approaches have met varying levels of success, most IDSs rely on having access to a database of known attack signatures which...
- White papers 2008-04-08
- Detecting and Preventing Attacks Using Network Intrusion Detection Systems
- Intrusion detection is an important technology in business sector as well as an active area of research. It is an important tool for information security. A Network Intrusion Detection System is used to monitor networks for attacks or intrusions and report these intrusions to the administrator in order to take...
- White papers 2008-03-05
- A Short Survey of Intrusion Detection Systems
- As the cost of information processing and Internet accessibility falls, organizations are becoming increasingly vulnerable to potential cyber threats such as network intrusions. So, there exists a need to provide secure and safe transactions through the use of firewalls, Intrusion Detection Systems IDSs, encryption, authentication, and other hardware and software...
- White papers 2008-02-06
- Performance Comparison of Intrusion Detection System Classifiers Using Various Feature Reduction Techniques
- This paper compares the performance of Intrusion Detection System IDS Classifiers using various feature reduction techniques. To enhance the learning capabilities and reduce the computational intensity of competitive learning neural network classifiers, different dimension reduction techniques have been proposed. These include: Principal Component Analysis, Linear Discriminant Analysis, and Independent Component...
- White papers 2008-01-31
- An Agent-Based Intrusion Detection System
- This paper will discuss research and programming done to investigate the advantages and disadvantages of distributed host based intrusion detection. More common types of intrusion detection will be discussed to give a background to the field, as well as give reference points with which to compare distributed host based intrusion...
- White papers 2008-01-23
- A Cooperative Intrusion Detection System for Ad Hoc Networks
- Mobile Ad hoc NETworking MANET has become an exciting and important technology in recent years because of the rapid proliferation of wireless devices. MANETs are highly vulnerable to attacks due to the open medium, dynamically changing network topology, cooperative algorithms, lack of centralized monitoring and management point, and lack of...
- White papers 2008-01-01
- Fast and Scalable Pattern Matching for Network Intrusion Detection Systems
- High-speed packet content inspection and filtering devices rely on a fast multi-pattern matching algorithm which is used to detect predefined keywords or signatures in the packets. Multi-pattern matching is known to require intensive memory accesses and is often a performance bottleneck. Hence specialized hardware-accelerated algorithms are required for line-speed packet...
- White papers 2008-01-01
- Secure "Selecticast" for Collaborative Intrusion Detection Systems
- The problem domain of Collaborative Intrusion Detection Systems CIDS introduces distinctive data routing challenges, which the paper shows are solvable through a sufficiently flexible publish-subscribe system. CIDS share intrusion detection data among organizations, usually to predict impending attacks earlier and more accurately, e.g., from Internet worms that tend to attack...
- White papers 2008-01-01
- PARNIDS: A Scalable Network Intrusion Detection Loadbalancer
- Network Intrusion Detection Systems NIDS are becoming an increasingly important security measure. With rapidly increasing network speeds, the capacity of the NIDS sensor can limit the ability of the system to detect intrusions. The PARNIDS parallel NIDS architecture overcomes this limitation by distributing network traffic load over an array of...
- White papers 2008-01-01
- IDGraphs: Intrusion Detection and Analysis Using Histographs
- Traffic anomalies and attacks are commonplace in today's networks and identifying them rapidly and accurately is critical for large network operators. For a statistical Intrusion Detection System IDS, it is crucial to detect at the flow-level for accurate detection and mitigation. However, existing IDS systems offer only limited support for...
- White papers 2008-01-01
- A Stateful Intrusion Detection System for World-Wide Web Servers
- Web servers are ubiquitous, remotely accessible, and often misconfigured. In addition, custom web-based applications may introduce vulnerabilities that are overlooked even by the most security-conscious server administrators. Consequently, web servers are a popular target for hackers. To mitigate the security exposure associated with web servers, intrusion detection systems are deployed...
- White papers 2008-01-01
- An EFSM-Based Intrusion Detection System for Ad Hoc Networks
- Mobile ad hoc networks offer very interesting perspectives in wireless communications due to their easy deployment and their growing performances. However, due to their inherent characteristics of open medium, very dynamic topology, lack of infrastructure and lack of centralized management authority, MANET present serious vulnerabilities to security attacks. This paper...
- White papers 2008-01-01
- Toward Cost-Sensitive Modeling for Intrusion Detection and Response
- Intrusion Detection Systems IDSs must maximize the realization of security goals while minimizing costs. This paper studies the problem of building cost-sensitive intrusion detection models. The paper examines the major cost factors associated with an IDS, which include development cost, operational cost, damage cost due to successful intrusions, and the...
- White papers 2008-01-01
- Adaptive Alert Throttling for Intrusion Detection Systems
- Each time an intrusion detection system raises an alert it must make some attempt to communicate the information to an operator. This communication channel can easily become the target of a denial of service attack because, like all communication channels, it has a fixed capacity. If this channel can become...
- White papers 2008-01-01
- Intrusion Detection Systems and a View to Its Forensic Applications
- Traditional computer security has often emphasised prevention, and to a lesser degree, the detection of system security violations. However, it is recognised that the forensic aspect to the overall model of computer security is equally as important. The area of computer forensics lends itself heavily to the response of a...
- White papers 2008-01-01
- Bayesian Event Classification for Intrusion Detection
- Intrusion Detection Systems IDSs attempt to identify attacks by comparing collected data to predefined signatures known to be malicious (misuse-based IDSs) or to a model of legal behavior (anomaly-based IDSs). Anomaly-based approaches have the advantage of being able to detect previously unknown attacks, but they suffer from the difficulty of...
- White papers 2008-01-01
- A Grid-Aware Intrusion Detection System
- Existing Intrusion Detection Systems IDS are not designed to deal with any specific types of systems. The purpose of this work is to investigate the possibility of Grid-focused IDS. The main stress is put on feature selection and performance of the system. An existing framework, IDSNet, is used as a...
- White papers 2007-12-10
- Improving the Efficiency and Robustness of Intrusion Detection Systems
- With the increase in the complexity of computer systems, existing security measures are not enough to prevent attacks. Intrusion detection systems have become an integral part of computer security to detect attempted intrusions. Intrusion detection systems need to be fast in order to detect intrusions in real time. Furthermore, intrusion...
- White papers 2007-12-01
- Evaluating Host Intrusion Detection Systems.
- Host Intrusion Detection Systems HIDSs are critical tools needed to provide indepth security to computer systems. Quantitative metrics for HIDSs are necessary for comparing HIDSs or determining the optimal operational point of a HIDS. While HIDSs and Network Intrusion Detection Systems NIDSs greatly differ, similar evaluations have been performed on...
- White papers 2007-11-28
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