
Olivier JACQ is an independent researcher, professional, and consultant in maritime cybersecurity.
He created this blog in 2018, convinced of the importance of taking cybersecurity into account in the maritime sector, in order to share his views on the subject.
Passionate about cybersecurity and networking, he wrote his first lines of code in 1985, on a TRS-80 and then on a ZX Spectrum.
After a scientific baccalaureate (bac C), he joined the French Navy, where he pursued a 28-year career. He held various positions in information security from 1999 onwards, with a focus on CISO roles, but also on training, certification, digital forensics and cyber surveillance, research, and education. He notably took part in the creation of the Specialized Master’s program “Cybersecurity of Maritime and Port Systems.” He spent a total of three years of his life at sea, on, above, and below the water.
The Navy enabled him to rise through the ranks, finishing with the rank of Lieutenant Commander (Capitaine de corvette), and to obtain several degrees, including:
- the title of Information Systems Security Expert (ESSI) from the French National Cybersecurity Agency (ANSSI) ;
- a Specialized Master’s in Cybersecurity, jointly awarded by École CentraleSupélec and IMT Atlantique ;
- a PhD in cybersecurity, completed at Lab-STICC.
Since then, he has continued his work on this subject he is passionate about:
- he directly participated in the creation of France Cyber Maritime and was its Technical and Scientific Director from 2021 to 2025 ;
- he is an associate researcher at the Naval Research Institute (IRENav) ;
- he works as a Research and Development engineer at DIATEAM ;
- finally, he created his own consulting company, CYBERMOOV Consulting.
He teaches and has taught in many schools, including:
- Centrale / Supélec (Specialized Master’s)
- IMT Atlantique (Engineering degree)
- Centrale Méditerranée (Specialized Master’s)
- Naval Academy (Jury Chair)
- ENSIBS (Engineering degree)
- IUT of Lorient (Professional Bachelor’s degree)
He also supervises interns, apprentices, and PhD students.
On a voluntary basis:
- he helps organize the digital security conference Unlock Your Brain Harden Your System ;
- he is a board member of La Cantine Numérique de Brest ;
- he is a member of the M82 association ;
- he contributes to the Tremplins Numérique program at IMT Atlantique ;
- he is also a Cyber Helper (Aidant Cyber).
Olivier has written and co-written more than fifteen articles and chapters on maritime cybersecurity, and regularly gives keynotes or conference talks on the subject. Notably:
- 25/11/2025 - Foundations & Practice of Security (FPS) (Keynote Speaker)
- 15/10/2024 - Straits and Cybersecurity Colloquium CESM/CDMO/Université du Littoral Côte d’Opale/Nantes Université/ANRS/SHD
- 27/06/2024 - Cybersecurity in the Marine Renewable Energy sector - Seanergy 2024
- 12/06/2024 - OCEANEXT 2024 - Maritime Cybersecurity: how can the sector strengthen its resilience?
- 19/10/2023 - A deep dive into Maritime Cybersecurity - Hack.lu
- 01/06/2023 - Maritime Cybersecurity in 2023 : The bad, the good and the ugly, Workshop on Security and Protection of Information (SPI23)
- 01/06/2022 - Maritime cybersecurity - Naval Academy, Naval Sciences
- 01/01/2022 - Regulatory and best-practice perspectives in maritime cybersecurity - Le Droit Maritime Français
- 29/10/2021 - First Results on the use of cyber ranges to enhance awareness in the maritime sector. 5th NATO NMIOTC Cybersecurity Conference
- 15/09/2021 - Maritime cyber ranges: architecture, use cases and contributions to maritime cybersecurity
- 01/09/2021 - Towards modeling of naval systems interdependencies for cybersecurity - OCEANS 2021
- 05/06/2021 - The Cyber-MAR Project: First Results and Perspectives on the Use of Hybrid Cyber Ranges for Port Cyber Risk Assessment - IEEE CSR
- 31/05/2021 - Navigation anomaly detection: an added value for Maritime Cyber Situational Awareness - IEEE International Conference on Cyber Situational Awareness, Data Analytics
- 12/01/2021 - Real-time detection, contextual analysis and visualization of cyberattacks: elaboration of Maritime Cyber Situational Awareness. IMT Atlantique - PhD thesis
- 11/01/2021 - Detection, contextual analysis and visualization of cyberattacks in real time: elaboration of Cyber Situational Awareness for the maritime world. IMT Atlantique - PhD in computer science
- 31/12/2020 - Cybersecurity: a key issue for the development of maritime drones and autonomous ships. Maritime cybersecurity - Cross perspectives
- 08/10/2019 - Maritime Cyber Situational Awareness for Unmanned Vehicles - Maritime Situational Awareness Conference (MSAW) 2019
- 01/10/2019 - Use of Suricata, ELK and Neo4j to generate powerful graphs for network defense. Suricon 2019
- 01/06/2019 - Real-time cyberattack detection: towards a Cyber Situational Awareness for naval systems - IEEE CyberScience 2019
- 01/10/2018 - Two concrete and effective responses to the challenges of cyber-maritime issues. Lettre Cybersécurité et politiques publiques
- 01/07/2018 - Detecting and Hunting Cyberthreats in a Maritime Environment: Specification and Experimentation of a Maritime Cyber Security Operations Centre - CSNet 2018
- 14/12/2017 - A Platform for Raising Awareness on Cyber Security in a Maritime Context - 2017 International Conference on Computer Science and Computational Intelligence
During his PhD work, he developed on this website the first open database listing maritime cybersecurity incidents worldwide, ADMIRAL. This database has since been transferred to the France Cyber Maritime association.
You can also find several media appearances and videos of his talks:
- Cybersecurity at the heart of maritime challenges (One Ocean Summit): https://www.youtube.com/watch?v=cE7zSdA7m_k
- Cybersecurity of Marine Renewable Energies (WEAMEC Webinar): https://www.youtube.com/watch?v=mCgZ932dD9c
- Cybersecurity monitoring: new threats, new tools: https://www.youtube.com/watch?v=m0335WwLi2w
- Offshore Renewables at Risk? https://www.youtube.com/watch?v=b_wlcRNGmnA
- Podcast NoLimitSecu #388: France Cyber Maritime: https://www.nolimitsecu.fr/france-cyber-maritime/
- Podcast NoLimitSecu Special Edition - GPS: https://www.nolimitsecu.fr/hors-serie-souverainete-numerique-gps/
- Brest at the forefront of maritime cybersecurity: https://www.letelegramme.fr/finistere/brest-29200/brest-est-a-la-pointe-de-la-cybersecurite-maritime-6486924.php
- The maritime domain: a cyber risk zone: https://www.lemagit.fr/actualites/366538748/Le-domaine-maritime-zone-de-risques-cyber
- The French Navy on deck to counter the cyber threat: https://www.lemondeinformatique.fr/actualites/lire-la-marine-nationale-sur-le-pont-pour-contrer-la-cybermenace-76347.html
- Maritime cybersecurity: Brittany at the forefront in the face of a growing threat: https://agence-api.ouest-france.fr/bretagne/cybersecurite-cybersecurite-maritime-la-bretagne-en-pointe-face-a-une-menace-croissante-bf91122f-3cc8-4100-bc19-d6a2ea61c2ab
- Two Brest residents develop software to unmask fake ships: https://www.letelegramme.fr/finistere/brest-29200/deux-brestois-developpent-un-logiciel-pour-demasquer-les-faux-navires-et-reduire-les-taches-rebarbatives-6848136.php
- In Brest, they fight cybercrime at sea: https://www.ouest-france.fr/bretagne/brest-29200/un-port-a-l-arret-c-est-un-pays-bloque-a-brest-ils-luttent-contre-la-cybercriminalite-en-mer-78753672-ac47-11ec-a5c3-7541dcba15ad
He has also received three awards for his research work:
- Daveluy Prize 2022 from the Chief of Staff of the Navy, category “Engineering Sciences”.
- “Cyber” Prize 2022 of the “Crypto, Cyber and Compliance” competition - BLL Consulting.
- Beauplet-Rollinat Prize 2019 - Issued by Alliance Navale.
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