Research publications

Research behind practical decisions

Four publications by Angel Brenishki and co-authors on ransomware, security governance, incident response and AI in monitoring. Bibliographic details, original sources and links to practical guides.

2024 · Angel Brenishki, Rumen Rusev, Kamelia Shoilekova

New Vectors, Models, Trends and Patterns in Ransomware Attacks

Cybernetics and Control Theory in Systems, Lecture Notes in Networks and Systems 1119 · 378–385

A research contribution on ransomware attack vectors, models, trends and patterns. For an organisation, the practical question is how its safeguards relate to the stages of an attack and what remains at risk. The accompanying Dyasol guide develops a separate operational question: whether the business can actually recover from a disruption.

Original source · DOI

2025 · Angel Brenishki

Cybersecurity Governance: The Chief Information Security Officer’s Technical and Psychological Approaches

Proceedings of University of Ruse, volume 64, book 6.1 · 23–28

The paper examines technical and human challenges in cybersecurity governance across organisations of different sizes. It discusses policy enforcement, operational continuity, leadership and organisational behaviour. Its practical relevance is the need to make technical controls and the people responsible for them work together in the actual business environment.

Original source

2026 · Angel Brenishki, Rumen Rusev, Kamelia Shoilekova, Boyana Ivanova

Time Management in Cybersecurity Incident Response: A Strategic Framework for Teams and Management

Veredas Journal, volume 16, issue 1 · 46–54

A publication by Angel Brenishki and co-authors on time management in cybersecurity incident response. Bibliographic details are available in the University of Ruse publication record. The related practical guide addresses advance preparation of decision authority and deputies during an incident.

Original source

2026 · Angel Brenishki, Rumen Rusev, Boyana Ivanova

SIEMvolution. Artificial Intelligence enhancements for Building more Efficient Managed Cyber Security

Focus on Artificial Intelligence in Intelligent Systems Design, Proceedings of 9th Computational Methods in Systems and Software 2025, Volume 5 · 55–64

A contribution on artificial intelligence enhancements for managed cybersecurity. The publisher records the chapter in 2026 in proceedings whose conference year is 2025. The accompanying practical article considers how a buyer can evaluate detection coverage, investigation quality and the operational value of a claimed AI feature without assuming results from another environment.

Original source · DOI