Author

G. Tesha

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Review Open access Aug 2026

A Secure Steganographic Authentication Framework for Controller Pilot Data Link Communications over VDL-2: Design, Implementation and Evaluation

CPDLC now carries a large share of routine air traffic control instructions, but the protocol as run over VDL-2 has no encryption and no way to check who sent a message. Low- cost Software Defined Radios make eavesdropping, message forgery, replay, and handover interception practical. The study presents a framework th...

Gabriel Simeo, C. Budoya, G. Tesha · East African Journal of Info... · 0 citations

Review Open access Sep 2026

Information Systems Control Framework for Enhancing ICT Incident Management in Tanzanian Public Institutions: A Case of Mwanza City Council

Tanzanian public institutions depend heavily on information systems for service delivery, yet ICT incident management remains their weakest governance area, rated the lowest-performing domain nationally in the 2024/25 audit of information systems at 47% compliance across 133 institutions. This study examined the proble...

Godian Joseph Mkilania, G. Tesha · East African Journal of Info... · 0 citations

Review Open access Aug 2026

Blockchain-Based E-Voting for Developing Nations: A Systematic Review and Empirical Evaluation of a Permissioned Prototype for the Tanzanian Electoral Context

These findings support the technical feasibility of the implemented permissioned architecture under controlled conditions, but they do not establish national-scale performance or complete electoral security.

Emmanuel Elly Mushi, Gustaph Sanga, G. Tesha · East African Journal of Info... · 0 citations

Review Open access Aug 2026

A Deep Learning Model for Detecting Bullying Content in Swahili SMS Messages in Tanzania

A context-aware deep learning model for binary classification of bullying and non-bullying Swahili SMS messages, an empirically evaluated FastText-BiLSTM architecture, and deployment guidance that positions automated detection as a triage mechanism for human review rather than an autonomous enforcement tool are contrib...

Andrea Peter, Gustaph Sanga, G. Tesha · East African Journal of Info... · 0 citations

Review Open access Sep 2026

Impersonation-Based Fraud in Mobile Money Transactions: Prevalence, Patterns, and Predictors of User Compliance in Tanzania

This study examined the techniques, patterns, and vulnerabilities facilitate impersonation-based fraud and the factors predicting user compliance with fraudulent instructions in Tanzania and identified trust in providers-appearing communications as the only significant unique predictor of compliance.

Gregory Aloyce, C. Budoya, G. Tesha · East African Journal of Info... · 0 citations

Open access Sep 2026

A Dual-Module Machine Learning Framework for Vulnerability Assessment of Government Payment Gateways: Static Prioritisation and Runtime Detection

A dual-module machine learning framework that unifies static prioritisation of disclosed vulnerabilities with runtime detection of malicious traffic is presented, contributing the first data-driven, reproducible vulnerability-assessment model developed specifically for the Tanzanian Government Electronic Payment Gatewa...

Maneno Sudayi, S. Wambura, G. Tesha et al. · East African Journal of Info... · 0 citations

Open access Aug 2026

An AI-Driven Risk-Adaptive Zero-Trust Framework for Emergency Electronic Health Record Access

An AI-driven risk-adaptive Zero-Trust framework that incorporates real-time patient deterioration into access control decisions and suggests that integrating clinical deterioration predictions into Zero-Trust access control can improve emergency responsiveness while preserving security and accountability.

Arthur Nashon Malingo, C. Budoya, G. Tesha · East African Journal of Info... · 0 citations