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Grey Hole Attack Detection and Prevention Methods in Wireless sensor Networks

Computer systems science & Engineering 2022年第7期42卷 373-386页

作者： Gowdham Chinnaraju s.nithyanandam Department of Computer science and Engineering PRIST Deemed to be University613403India

Wireless sensor Networks(WsNs)gained wide attention in the past decade,thanks to its attractive features likeﬂexibility,monitoring capability,and *** overcomes the crucial problems experienced in network man-agement and facilitates the development of diverse network *** existence of dynamic and adaptive routing features facilitate the quick formation of such ***ﬂexible architecture also makes it highly vulnerable to dif-ferent sorts of attacks,for instance,Denial of service(Dos).Grey Hole Attack(GHA)is the most crucial attack types since it creates a heavy impact upon the components of WsN and eventually degrades the performance of *** cur-rent study,a simple attack detection,prevention and reduction approach is *** is to secure the WsN from GHA and other such attacks by warning and blocking the malicious suspensions and by examining the storage *** of blocking the entire host,the presented approach speciﬁcally elim-inates the malicious ***,in case of no malicious trafﬁc detection,the host gets *** current study,the researchers simulated the model under MATLAB environment and the outcomes showed an enhanced performance and increased utilization of Central Processing Unit(CPU)and packet delivery ratio.

关键词： Grey-Hole Attack WsN detection prevention reduction network performance

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A Rule-Based Approach for Grey Hole Attack Prediction in Wireless sensor Networks

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Intelligent Automation & soft Computing 2023年第3期35卷 3815-3827页

作者： C.Gowdham s.nithyanandam Department of Computer science and Engineering PRIST Deemed to be UniversityThanjavur613403TamilnaduIndia

The Wireless sensor Networks(WsN)are vulnerable to assaults due to the fact that the devices connected to them have a reliable connection to the inter-net.A malicious node acts as the controller and uses a grey hole attack to get the data from all of the other nodes in the ***,the nodes are dis-carding and modifying the data packets according to the requirements of the *** assault modiﬁes the fundamental concept of the WsNs,which is that different devices should communicate with one *** the proposed system,there is a fuzzy idea offered for the purpose of preventing the grey hole attack from making effective communication among the WsN *** currently available model is unable to recognise the myriad of different kinds of *** fuzzy engine identiﬁed suspicious actions by utilising the rules that were gen-erated to make a prediction about the malicious node that would halt the *** conducted using simulation are used to determine delay,accuracy,energy consumption,throughput,and the ratio of packets successfully *** stands in contrast to the model that was suggested,as well as the methodologies that are currently being used,and analogue behavioural *** comparison to the existing method,the proposed model achieves an accuracy rate of 45 per-cent,a packet delivery ratio of 79 percent,and a reduction in energy usage of around 35.6 *** results from the simulation demonstrate that the fuzzy grey detection technique that was presented has the potential to increase the net-work’s capability of detecting grey hole assaults.

关键词： Attack prediction grey hole wireless sensor networks rule-based model grey attack

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seasonal Variability of Biofouling Community structure in the Gulf of Mannar,southeast Coast of India:A Multivariate Approach

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Journal of Ocean University of China 2023年第3期22卷 766-776页

作者： MARIMUTHU nithyanandam WILsON James Jerald KUMARAGURU Arumugam Kuppuswamy Department of Marine and Coastal studies School of EnergyEnvironment and Natural ResourcesMadurai Kamaraj UniversityMadurai 625021India Zoological survey of India Fire-Proof Spirit BuildingIndian Museum ComplexKolkata 700016West BengalIndia Noorul Islam Center for Higher Education KumaracoilThuckalayKanyakumari District 629180Tamil NaduIndia

In this research,an Underwater Biofouling Panel(UWBFP)system was erected for the qualitative and quantitative estimation of macro fouling organisms in the Gulf of ***-four biofoulers were identified from four types of selected test *** these biofoulers,Amphibalanus amphitrite(Darwin,1854)was the dominant *** concrete panel encouraged the highest barnacle density compared to the other *** series of test panels were used to assess the seasonal density of biofouling *** overall variation in barnacle count in the seaward and shoreward sides of all these three series were *** were found to be significantly different from each *** greater variations in the barnacle density observed in this study in A-series of test panels could be due to the lack of or absence of other foulers to compete within the *** shannon-Wiener species diversity index showed the highest diversity in wood substratum among the three series with greater accumulation of different types of fouling *** analyses were also performed to understand the seasonal variation as well as the settlement pattern on the different directions of test panels based on validated *** showed a strong variability(PC1 between 70.8%and 98.6%variance)between the directions of the panels in connection with barnacle *** shade plot and CAP analysis segregated the short-term A-series test panels from the long-term(B-and C-series)test ***,the output was helpful in understanding the recruitment status of various faunal resources involved in the biofouling processes.

关键词： biofouling barnacle hard fouler multivariate analysis fouling biomass Gulf of Mannar

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