A Mobile Ad hoc Network (MANET) is a collection of mobile nodes and is autonomous having communication through the insecure wireless links. The nodes in the network dynamically add and join the network. Due to this kind of nature nodes are vulnerable to various kinds of attacks. There are many

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for attackers too. Hence there is at most importance to protect our data that is being exposed in web against any sort of malicious attacks. Malware, short for malicious software is a software use to disrupt computer operation, gathers sensitive information or gain access to pri vate computer system. It can

workflow may be subjected to malicious attacks. Traditional workflow recovery mechanisms do not address how to recover from malicious attacks. Database survivability techniques do not work for workflow because tasks in a workflow have dependencies that are not present in traditional transaction processing

ABSTRACT Number of users are present in a network. Different malicious activities are performed on the data that is being transmitted over a network.The malicious attacks may delete or modify the data. they may also change the destination of the file to be sent. This system is mainly dseigned

as spread spectrum methods often build on these principles. Recently, some scepticism about the robustness of spread spectrum watermarks has arisen, specifically with the general availability of watermark attack software which claim to render most watermarks undetectable. In fact, spread spectrum watermarks

in the middle attack, Eavesdropping attacks etc. Much of it’s prospered enemies on attack of compromised hosts, which are scattered throughout the IP networks and starts intruding the network. Malicious activity is not necessarily to be uniformly distributed across the Internet: some networks may occupy lax

at different levels of granularity. In this paper we extend Wang’s framework to monitor and diagnose malicious attacks. Our ex-tensions include the addition of anti-goals to model attacker intentions, as well as context-based modeling of the domain within which our system operates. The extended framework has

. Similar work exists with trajectory-based meta-heuristics and has shown that this method can largely improve the robustness of a given network. Here we present the first attempt at optimizing networks against malicious attacks using an evolutionary algorithm, and show that one can achieve significantly

The main purpose of an ad hoc network routing protocol is to enable the transport of data packets from one point to another. This paper examines the potential attacks on this transport service which arise from the realisation of threats from internal malicious nodes. The prerequisite of a routing