Niemiec, Marcin, Salvatore Marco Pappalardo, Maya Bozhilova, Nikolai Stoianov, Andrzej Dziech, and Burkhard Stiller. Multi-sector Risk Management Framework for Analysis Cybersecurity Challenges and Opportunities In International Conference on Multimedia Communications, Services and Security, MCSS 2022: Multimedia Communications, Services and Security . Vol. 1689. Cham: Springer, 2022.

Tagarev, Todor, Nikolai Stoianov, George Sharkov, and Yantsislav Yanakiev. "AI-driven Cybersecurity Solutions, Cyber Ranges for Education & Training, and ICT Applications for Military Purposes." Information & Security: An International Journal 50, no. 1 (2021): 5-8.

Shalamanov, Velizar, Nikolai Stoianov, and Yantsislav Yanakiev. DIGILIENCE 2020: Governance, Human Factors, Cyber Awareness, Information & Security: An International Journal., 2020.

Stoianov, Nikolai, and Maya Bozhilova. "Expert?s study on situational awareness of operations directed at the wide dissemination of malicious information." In Conference Proceedings, MODS2020. Chernihiv, Ukraine, 2020.

Shalamanov, Velizar, Nikolai Stoianov, and Yantsislav Yanakiev. "ICT Governance, Human Factors and Cyber Situational Awareness." Information & Security: An International Journal 46, no. 1 (2020): 7-10.

Tagarev, Todor, Salvatore Marco Pappalardo, and Nikolai Stoianov. "A Logical Model for Multi-Sector Cyber Risk Management." Information & Security: An International Journal 47, no. 1 (2020): 13-26.

Stoianov, Nikolai, and Maya Bozhilova. "A Model of a Cyber Defence Awareness System of Campaigns with Malicious Information." Information & Security: An International Journal 46, no. 2 (2020): 182-197.

Stoianov, Nikolai, and Andrey Ivanov. "Public Key Generation Principles Impact Cybersecurity." Information & Security: An International Journal 47, no. 2 (2020): 249-260.

Tagarev, Todor, Nikolai Stoianov, and George Sharkov. Integrative  Approach to Understand Vulnerabilities and Enhance the Security of  Cyber-Bio-Cognitive-Physical Systems In 18th European Conference on Cyber Warfare and Security, ECCWS 2019. Vol. 2019-July. Coimbra, Portugal: European Conference on Information Warfare and Security, ECCWS, 2019.

Tagarev, Todor, George Sharkov, Nikolai Stoianov, and Velizar Shalamanov. "Network-based Steering of Bulgaria?s Cybersecurity Research." In DIGILIENCE 2019. Sofia, Bulgaria, 2019.

Tagarev, Todor, and Nikolai Stoianov. "Scoping the Scenario Space for Multi-sector Cybersecurity Analysis." In DIGILIENCE 2019. Sofia, Bulgaria, 2019.

Tselkov, Veselin, and Nikolai Stoianov. A Model of Software Cryptography System for Data Protection in Distribution Information Systems., 2018.

Petrov, Lachezar, Nikolai Stoianov, and Todor Tagarev. "Critical Information Infrastructure Protection Model and Methodology, Based on National and NATO Study." In Advances in Intelligent Systems and Computing, 350-357. Vol. 582. Cham, Switzerlad: Springer International Publishing, 2017.

Mahlyanov, Dobrin, and Nikolai Stoianov. Cyber Security Analysis for Internet of Military Things Models In Scientific Conference with International Participation on Cyber security in the Information Society. Shumen, Bulgaria, 2017.

Tagarev, Todor, George Sharkov, and Nikolai Stoianov. "Cyber Security and Resilience of Modern Societies: A Research Management Architecture." Information & Security: An International Journal 38 (2017): 93-108.

Enev, E., Grigor Velev, Nikolai Stoianov, and Maya Bozhilova. Requirements for the Sensor Platform and Network for Indoor Deployment and Exterior Based Radiofrequency Awareness In ,? International Research Conference 105 Years Security and Defense Research. Sofia: Bulgarian Military Academy ?G. S. Rakovski ?, 2017.

Stoianov, Nikolai, Maya Bozhilova, and Grigor Velev. Towards Security Requirements of the SPIDER Projec In Scientific Conference with International Participation on Cyber security in the Information Society. Shumen, Bulgaria, 2017.

Petrov, Lachezar, Nikolai Stoianov, and Todor Tagarev. Critical Information Infrastructure Protection Model and Methodology, Based on National and NATO Study In Advances in Dependability Engineering of Complex Systems, Proceedings of the Twelfth International Conference on Dependability Problems and Complex Systems DepCoS-RELCOMEX. Brunow, Poland, 2016.

Mahlyanov, Dobrin, and Nikolai Stoianov. Security of Internet of Things ? IoT In Eighth International Scientific Conference ?HEMUS-2016?., 2016.

Mahlianov, D., and Nikolai Stoianov. The Security of the Internet of Things In Eighth International Scientific Conference ?Hemus-2016"., 2016.

Tselkov, Veselin, and Nikolai Stoianov. A Formal Model of Cryptographic Systems for Protection of Information in Computer Systems and Networks In Bulgarian Cryptography Days ? BulCrypt 2012. Sofia, Bulgaria, 2012.

Bozhilova, Maya, Yantsislav Yanakiev, Nikolai Stoianov, and Dimitar Stoyanov. "An approach for prioritisation of national interests of the EU Member States." JDST 3, no. 4: 55-83.