Samuel Hassine
CEO And Co-Founder at Filigran
Paris, Ile-de-France
Summary
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Rockstar🎓
Top SchoolSamuel Hassine is a cybersecurity entrepreneur and technical leader with 11 years of experience building open-source threat intelligence and attack simulation platforms from both CEO and hands-on engineering perspectives. As co-founder and CEO of Filigran in Paris, he drives the Filigran XTM suite—OpenCTI and OpenBAS—to help organizations operationalize threat intelligence and validate security posture. His background at ANSSI and Tanium combines operational threat analysis, incident response, and regional security strategy, giving him deep domain expertise in TTPs, detection lifecycles, and crisis exercises. Technically adept across full-stack development, cloud architecture, big data and machine learning, he contributes code to prominent open-source projects like OpenCTI and OpenBAS, often touching both frontend UX and backend connectors. He pairs political and international-relations training from Sciences Po with a technical MS from Sorbonne, enabling a rare blend of geopolitical insight and systems-level security engineering. Notably, he moves fluidly between executive strategy and low-level implementation, shipping pragmatic tools used by security teams and communities.
11 years of coding experience
7 years of employment as a software developer
Master of Science - MS Computer Engineering (Network & Security), Master of Science - MS Computer Engineering (Network & Security) at Sorbonne UniversitéMaster of Science - MS International relations, Master of Science - MS International relations at Sciences Po Aix
Stackoverflow
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Github Skills (28)
javascript10
python10
cybersecurity10
ui-design10
uid10
front-end-development10
cts10
backend10
react10
back-end-development9
user-interface9
apim9
msp9
interface-design9
configuration-management9
Programming languages (14)
Github contributions (5)
OpenCTI-Platform/connectors
Jun 2019 - Jan 2023
OpenCTI Connectors
Role in this project:
Back-end Developer
Back-end DeveloperContributions:85 releases, 297 reviews, 837 commits in 3 years 7 months
Contributions summary:Samuel made several contributions related to the functionality of various connectors, specifically focusing on adding capabilities such as disabling connectors and fixing configuration issues. Their work involved modifying existing Python code within the `misp/misp.py` and `mitre/mitre.py` files, suggesting involvement in the core backend logic. The changes included enhancing the processing of data and external references, indicating a focus on integrating and extending existing functionalities.
opencticybersecurityctithreat-intelligencemisp
OpenAEV-Platform/openaev
Sep 2016 - Jan 2023
Open Adversarial Exposure Validation Platform
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:21 releases, 15 reviews, 1205 commits in 6 years 4 months
Contributions summary:Samuel appears to be a full-stack developer, as their commits involve changes to both the front-end (e.g., index.html, Checkbox, FormField, etc.) and back-end (e.g., User.php) of the application. They made small fixes to existing code, fixed array includes with a polyfill, added new profile information fields, and worked on exporting audience data to Excel. These commits show involvement in both UI and server-side logic, making the user's role full-stack.
drillscenariocrisisplanningcrisis-management
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