The performance of Mobile Ad hoc Network (MANET) becomes questionable in highly roving and mission critical application like military operation. Security measures like encryption, authentication, digital signature has been proposed for MANET. However all those mechanisms need some kind of static infrastructure and it is extremely difficult to implement such an infrastructure throughout the military mission. Therefore in this work, various zones in military operation is identified and Zone A is responsible for implementing robust security measures, Zone B and Zone C are identified to be at highly hostile and time critical environment. Therefore usage of highly complex security procedures at zone B & C may delay the operation to the extent of failure of the mission. Hence in this study, a lightweight vigilant procedure that suits the circumstances of Zone B & C is proposed, it has the capability of detecting the malicious entrant in the routing path. Moreover, it works either independently or dependently with the routing protocols like AODV based on the need. The proposed method has been compared with various successful security measures in Ad-hoc network and the results shows that the proposed method is very useful in adapting to the conditions of zone B & C
Resource of victim impounded by DDoS attack leads the victim to series monetary loss apart from various other ill-effects. Already lot of solutions came up in technological aspects almost neglecting the economical aspects. Hence there is not yet a proper method to make the zombies accountable to the economical loss materialized as the effects of highly zombie oriented DDoS attacks. Therefore the need of the hour is to develop a prudential monetary based DDoS solution that serves as the economical defense as well as strives to bring heighted awareness among the zombies. Consequently in this study we discuss the technoeconomical scheme termed as Penalty Scheme. This scheme is an idea of enforcing necessary means to evaluate the accountability of zombies which therefore serves as the economical defense towards the notorious DDoS attacks. This method notifies and makes the zombies aware of the loss incurred through their careless participation in DDoS attacks. The proposed scheme is analyzed using real time datasets, the results show the considerable improvement in the DDoS attack handling through integrating the Penalty Scheme with the cooperative filtering approach.
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