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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....; Tags: Network Intrusion Detection System, Network, Agent, Intrusion Detection System, IFAAMAS, Real Estate, Research & Development, Intrusion Detection, Networking, Security, Business Operations; 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...; Tags: Network Intrusion Detection System, Network, University Of Nottingham, Intrusion Detection System, Intrusion Detection, Security, Network Security, Networking; 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...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion, Attack, Intrusion Detection, Security, Network Security, Networking; White papers 2008-03-05
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...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Network Intrusion Detection, Memoryhole.net, Intrusion Detection, Networking, Security; 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...; Tags: Algorithm, Network Intrusion Detection System, Network, Memory, Intrusion Detection System, Engineering, Flash Memory, Content Management, Enterprise Software, Software; White papers 2008-01-01

ATLANTIDES: An Architecture for Alert Verification in Network Intrusion Detection Systems: This paper presents an architecture1 designed for alert verification (i.e., to reduce false positives) in network intrusion-detection systems. The technique in this paper is based on a systematic and automatic anomaly-based analysis of the system output, which provides useful context information regarding the network services. The false positives raised by...; Tags: Network Intrusion Detection System, Network, Network Service, Intrusion Detection System, Anomaly, University Of Twente, Intrusion Detection, Network Security, Networking, Security; White papers 2007-09-19
Agent-Based Network Intrusion Detection System: The paper presents security platform based on agents as an efficient and robust solution for high-performance intrusion detection system designed for deployment on high-speed network links. The proposed detection algorithm is based on extension of trust modeling techniques with representation of uncertain identities, context representation and implicit assumption that significant...; Tags: Network Intrusion Detection System, Network, Agent, Intrusion Detection System, Detection Algorithm, Anomaly Detection Method, Real Estate, Intrusion Detection, Security, Business Operations; White papers 2007-08-17
High-Performance Network Intrusion Detection Through Parallelism: Network intrusion detection has become increasingly popular in recent years due to the proliferation of Internet-based security attacks. Network Intrusion Detection Systems NIDS inspect the content of incoming packets on a network for known attacks and alert the operator when they are found. Intrusion detection is computationally expensive, and this...; Tags: Purdue University, Network Intrusion Detection System, Network, High-performance, Intrusion Detection, Security, Networking; White papers 2007-05-01
New Trend of Intrusion Detection System for High-Speed Networks: Network Intrusion Detection System NIDS is an important and practical tool for network security. To guarantee a precise detection the NIDS must detect packets at a wire speed. However, with the recent trend of high-speed networks, the capability of a single NIDS can not meet the speed's demand, resulting in...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion Detection, Security, Network Security, Networking; White papers 2007-01-25
A Java Based Network Intrusion Detection System (IDS): The number of hacking and intrusion incidents is increasing alarmingly each year as new technology rolls out. Unfortunately in today's digitally connected world, there is no place to hide. DNS, NSlookup, Newsgroups, web site trawling, e-mail properties etc. are just some of the many ways in which one can be...; Tags: Network Intrusion Detection System, Network, Java, Intrusion Detection System, Intrusion Detection, E-mail, Network Security, Programming Languages, Networking, Security, Online Communications, Software Development, Software/Web Development; White papers 2006-10-03
Backtracking Algorithmic Complexity Attacks Against a NIDS: Network Intrusion Detection Systems NIDS have become crucial to securing modern networks. To be effective, a NIDS must be able to counter evasion attempts and operate at or near wire-speed. Failure to do so allows malicious packets to slip through a NIDS undetected. This paper explores NIDS evasion through algorithmic...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Attack, Intrusion Detection, Security, Network Security, Networking; White papers 2006-09-22
A Parallel Architecture for Stateful Intrusion Detection in High Traffic Networks: In a scenario where network bandwidth and traffic are continuously growing, network appliances that have to monitor and analyze all flowing packets are reaching their limits. These issues are critical especially for Network Intrusion Detection Systems NIDS that need to trace and reassemble every connection, and to examine every packet...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion Detection, Security, Network Security, Networking; White papers 2006-09-10
An Evaluation Technique for Network Intrusion Detection Systems: Various algorithms have been developed to identify different types of network intrusions; however there is no heuristic to confirm the accuracy of their results. The exact effectiveness of a network intrusion detection system's ability to identify malicious sources cannot be reported unless a concise measurement of performance is available. This...; Tags: Technique, Network Intrusion Detection System, Network, University Of Melbourne, Intrusion Detection System, Intrusion Detection, Productivity, Security, Network Security, Networking; White papers 2006-05-28
Improving the Efficiency of Network Intrusion Detection Systems: Network intrusion detection systems have become standard components in security infrastructures. The elements central to intrusion detection are the resources to be protected in a target network, i.e., computer systems, file systems, network information, etc; models that characterize the normal or legitimate behavior of network; techniques that compare the actual...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion Detection, Networking, Security; White papers 2006-05-01
POSEIDON: A 2-Tier Anomaly-Based Network Intrusion Detection System: Intrusion Detection Systems IDSs were introduced by Anderson and formalized later by Denning. Nowadays, there exist two main types of network intrusion detection methods: anomaly-based and signature-based. In signature-based methods, a characteristic trait of the intrusion is developed off-line, and then loaded in the intrusion database before the system can...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Network Intrusion Detection, Anomaly, POSEIDON, Intrusion Detection, Network Security, Security, Networking; White papers 2006-04-01
Recent Advances in Network Intrusion Detection System Tuning: This paper describes a traffic generation framework for online evaluation and tuning network intrusion detection systems over a wide range of realistic conditions. The framework integrates both benign and malicious traffic, enabling generation of IP packet streams with diverse characteristics from the perspective of packet content both header and payload,...; Tags: Network Intrusion Detection System, Packet, Network, Intrusion Detection System, University Of Wisconsin-Madison, Traffic Generation, Intrusion Detection, Security, Network Security, Networking; White papers 2006-02-24
Data Mining for Network Intrusion Detection System in Real Time: Intrusion detection technology is an effective approach to dealing with the problems of network security. This paper present a data mining-based Network Intrusion Detection framework in real time NIDS. This framework is a distributed architecture consisting of sensor, data preprocessor, extractors of features and detectors. To improve efficiency, the approach...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion Detection Technology, FP-growth, Intrusion Detection, Data Mining, Network Security, Business Intelligence, Security, Networking, Enterprise Software, Software, Data Management; White papers 2006-02-01
Improvement and Implementation of Network Intrusion Detection System: Current Network Intrusion Detection Systems NIDSes are confronted with some problems. In addition to high false positive ratio and high false negative ratio, their own performances are difficult to be adapted to the need of increasing network traffic. To improve the speed and accuracy of detection, this paper analyzes the...; Tags: Network Intrusion Detection System, Network, Intrusion Detection System, Intrusion Detection, Security, Network Security, Networking; White papers 2006-01-01
Dynamic Protocol Analysis for Network Intrusion Detection Systems: Many Network Intrusion Detection Systems NIDSs perform application layer protocol analysis. These systems typically infer the protocol from the ports in the TCP or UDP headers. This is not a reliable technique since many protocols do not use fixed ports. On the other hand there exist better methods to identify...; Tags: Network Intrusion Detection System, Network, Munich, Intrusion Detection System, Protocol, Analysis, Intrusion Detection, Security, Network Security, Networking; White papers 2005-09-15
Bitwise Optimised CAM for Network Intrusion Detection Systems: String pattern matching is a computationally expensive task, and when implemented in hardware, it can consume a large amount of resources for processing and storage. This paper presents a novel technique, based on a tree-based content addressable memory structure, for a pattern matching engine for use in a hardware-based network...; Tags: Technique, Network Intrusion Detection System, Network, Intrusion Detection System, Hardware, Imperial College London, Intrusion Detection, Productivity, Security, Network Security, Networking; White papers 2005-07-05