Browsing Journal Articles by Author "Kamau, Gabriel N."
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Cloud Data Privacy Preserving Model for Health Information Systems Based on Multi Factor Authentication
Ntonja, Kenneth G.; Muketha, Geoffrey M.; Kamau, Gabriel N. (2020-09)With cloud computing (CC) becoming popular in recent years, variety of institutions, organizations, businesses and individual users are creating interest. They are adopting the technology in order to take advantage of ... -
Design and Implementation of Resilient Cooperative Bait Detection Technique to Curb Cooperative Black Hole Attacks in MANETs Using DSR Protocol
Mwangi, Ephantus G.; Muketha, Geoffrey M.; Kamau, Gabriel N. (Scientific & Academic Publishing, 2020-05)Mobile Ad-hoc networks (MANETs) are unique type of wireless networks that are infrastructureless and with no centralised management. Nodes in MANETs act as both routers and hosts. The nodes are free to join and leave the ... -
Developing Hybrid-Based Recommender System with Naïve Bayes Optimization to Increase Prediction Efficiency
Ndung'u, Rachel N.; Kamau, Gabriel N.; Wambugu, Geoffrey M. (2021-03)Commerce and entertainment world today have shifted to the digital platforms where customer preferences are suggested by recommender systems. Recommendations have been made using a variety of methods such as content-based, ... -
E-government websites user experience from public value perspective: Case study of iTax website in Kenya
Kamau, Gabriel N. (Institute of Electrical and Electronics Engineers (IEEE), 2016)The need to encourage citizens' adoption of e-government services has led to an increasing interest in the evaluation of e-government websites. The success of e-government websites depends on how well it is perceived by ... -
Evaluating the Public Value of E-Government Services
Kamau, Gabriel N. (Institute of Electrical and Electronics Engineers (IEEE), 2015)Governments all over the world are working on a broad array of e-government-services. As a result, there is need to evaluate e-government services objectively to identify areas of concerns. Recently, researchers have shown ... -
Metrics For Evaluating Alerts in Intrusion Detection Systems
Kiruki, Jane K.; Muketha, Geoffrey M.; Kamau, Gabriel N. (2023-01)Network intrusions compromise the network’s confidentiality, integrity and availability of resources. Intrusion detection systems (IDSs) have been implemented to prevent the problem. Although IDS technologies are promising, ... -
Optimized Trust-Based DSR Protocol to Curb Cooperative Blackhole Attacks in MANETs Using NS-3
Mwangi, Ephantus G.; Muketha, Geoffrey M.; Kamau, Gabriel N. (Scientific & Academic Publishing, 2020-05)MANETs Communication relies on special routing protocols that make security a challenging endeavor. MANETs are open to a range of active and passive attacks; black hole attack is an active attack affects the network layer. ... -
SSH-Brute Force Attack Detection Model based on Deep Learning
Wanjau, Stephen K.; Wambugu, Geoffrey M; Kamau, Gabriel N. (2021-01)The rising number of malicious threats on computer networks and Internet services owing to a large number of attacks makes the network security be at incessant risk. One of the predominant network attacks that poses ... -
Trust-Based Security Technique to Curb Cooperative Blackhole Attacks in Mobile Ad Hoc Networks using OTB-DSR Protocol in NS-3
Mwangi, Ephantus G.; Muketha, Geoffrey M.; Kamau, Gabriel N. (Global Journals, 2020-12)The advent of mobile technology led to the emergence of Mobile Ad-hoc networks (MANETs). These networks have no infrastructure and central authority. Nodes in MANETs act as both routers and hosts. MANET nodes join and ... -
Using Feature Selection Methods to Discover Common Users’ Preferences for Online Recommender Systems
Ndung'u, Rachel N.; Kamau, Gabriel N.; Wambugu, Geoffrey M (2021-01)Recommender systems have taken over user’s choice to choose the items/services they want from online markets, where lots of merchandise is traded. Collaborative filtering-based recommender systems uses user opinions and ...