
Thibault contributed to the CrowdSec ecosystem by engineering security features and automation across the crowdsecurity/hub, crowdsecurity/crowdsec, and crowdsecurity/crowdsec-docs repositories. He developed and refined application security rules, virtual patches, and detection scenarios for CVEs, leveraging Go and YAML to enhance threat detection and response. His work included expanding Web Application Firewall coverage, integrating SigmaHQ Sysmon rules, and improving configuration management for scalable AppSec deployments. Thibault also overhauled documentation and standardized alert data formats, reducing triage time and improving onboarding. His technical approach emphasized maintainable code, robust error handling, and comprehensive testing, resulting in deeper, more reliable security operations.

October 2025 monthly summary across crowdsecurity/hub and crowdsecurity/crowdsec. Focused on stabilizing core web security tooling, expanding security test coverage for CVEs, and improving test orchestration resilience. Delivered tangible features and reliability improvements with clear business value in security posture and operational robustness.
October 2025 monthly summary across crowdsecurity/hub and crowdsecurity/crowdsec. Focused on stabilizing core web security tooling, expanding security test coverage for CVEs, and improving test orchestration resilience. Delivered tangible features and reliability improvements with clear business value in security posture and operational robustness.
Performance-review style monthly summary for 2025-09 focusing on crowdsecurity/hub work: Implemented CrowdSec CRS enhancements including inband collection for OWASP CRS to block malicious requests and ban repeat offenders, and enabled default alert generation for Out-of-Band events by updating CRS configurations and documentation. No major bugs fixed this period. These changes improve security posture, reduce time-to-detection, and improve operational visibility through default alerts.
Performance-review style monthly summary for 2025-09 focusing on crowdsecurity/hub work: Implemented CrowdSec CRS enhancements including inband collection for OWASP CRS to block malicious requests and ban repeat offenders, and enabled default alert generation for Out-of-Band events by updating CRS configurations and documentation. No major bugs fixed this period. These changes improve security posture, reduce time-to-detection, and improve operational visibility through default alerts.
August 2025 monthly summary: Implemented core AppSec quality of life and data quality improvements across CrowdSec platforms. Delivered readable AppSec hub test outputs, standardized alert timestamps (RFC3339), refined OWASP CRS detection, and expanded AppSec documentation to clarify configuration loading and quickstart steps. These changes reduce triage time, improve data integrity, and accelerate onboarding for security teams and developers. Participated across three repositories with a focus on measurable business value and maintainable code.
August 2025 monthly summary: Implemented core AppSec quality of life and data quality improvements across CrowdSec platforms. Delivered readable AppSec hub test outputs, standardized alert timestamps (RFC3339), refined OWASP CRS detection, and expanded AppSec documentation to clarify configuration loading and quickstart steps. These changes reduce triage time, improve data integrity, and accelerate onboarding for security teams and developers. Participated across three repositories with a focus on measurable business value and maintainable code.
June 2025: Delivered SAP probing detection and w00tw00t login path enhancements in CrowdSec hub, expanding coverage for SAP interfaces. Implemented a new HTTP detection scenario, extended the existing w00tw00t scenario to include '/core/skin/login.aspx', and provided updated configuration, tests, and documentation to improve reconnaissance detection with low false positives. Changes tied to commits fbb4e2d2b5d33d4ab4235de0913e4050c694fce2 and 2dfbae0c411721b58b2339acab845d175de93c53 in crowdsecurity/hub.
June 2025: Delivered SAP probing detection and w00tw00t login path enhancements in CrowdSec hub, expanding coverage for SAP interfaces. Implemented a new HTTP detection scenario, extended the existing w00tw00t scenario to include '/core/skin/login.aspx', and provided updated configuration, tests, and documentation to improve reconnaissance detection with low false positives. Changes tied to commits fbb4e2d2b5d33d4ab4235de0913e4050c694fce2 and 2dfbae0c411721b58b2339acab845d175de93c53 in crowdsecurity/hub.
May 2025 performance summary for crowdsecurity/hub: Delivered consolidated security rule enhancements targeting SAP NetWeaver CVE-2025-31324 and Git/SVN-related vulnerabilities. Implemented a virtual patch for CVE-2025-31324 and expanded WAF detections, complemented by added tests to improve reliability and coverage. This work strengthens the product's proactive defense and reduces time-to-detection.
May 2025 performance summary for crowdsecurity/hub: Delivered consolidated security rule enhancements targeting SAP NetWeaver CVE-2025-31324 and Git/SVN-related vulnerabilities. Implemented a virtual patch for CVE-2025-31324 and expanded WAF detections, complemented by added tests to improve reliability and coverage. This work strengthens the product's proactive defense and reduces time-to-detection.
March 2025 Monthly Summary for CrowdSec engineering: Consolidated feature delivery and security automation across two repositories with a focus on flexible configuration, centralized query handling, and CVE-oriented detection/testing. Emphasis on business value through security posture improvements, faster policy customization, and scalable code organization.
March 2025 Monthly Summary for CrowdSec engineering: Consolidated feature delivery and security automation across two repositories with a focus on flexible configuration, centralized query handling, and CVE-oriented detection/testing. Emphasis on business value through security posture improvements, faster policy customization, and scalable code organization.
January 2025 monthly summary focusing on key accomplishments across hub, docs, and CrowdSec projects. Core features delivered include CrowdSec Apache Bouncer integration in hub, MIT license addition for legal compliance, AppSec configuration documentation enhancements, CrowdSec README overhaul, and AppSec rule deduplication bug fix. These changes improve enforcement capabilities, licensing clarity, and developer/docs experience, enabling faster adoption and safer operations. Technologies demonstrated include integration work, license management, and documentation stewardship. Overall impact: stronger security posture, reduced risk, and clearer onboarding for operators and contributors.
January 2025 monthly summary focusing on key accomplishments across hub, docs, and CrowdSec projects. Core features delivered include CrowdSec Apache Bouncer integration in hub, MIT license addition for legal compliance, AppSec configuration documentation enhancements, CrowdSec README overhaul, and AppSec rule deduplication bug fix. These changes improve enforcement capabilities, licensing clarity, and developer/docs experience, enabling faster adoption and safer operations. Technologies demonstrated include integration work, license management, and documentation stewardship. Overall impact: stronger security posture, reduced risk, and clearer onboarding for operators and contributors.
December 2024 monthly summary for crowdsecurity/hub: Implemented the SigmaHQ Windows Sysmon detection rules import to enhance Windows process creation detection, leveraging Sysmon data and SigmaHQ rule set. This work expands coverage for LOLBIN abuse, persistence techniques, and other malicious activities, aligning with threat intel integration and incident detection improvements.
December 2024 monthly summary for crowdsecurity/hub: Implemented the SigmaHQ Windows Sysmon detection rules import to enhance Windows process creation detection, leveraging Sysmon data and SigmaHQ rule set. This work expands coverage for LOLBIN abuse, persistence techniques, and other malicious activities, aligning with threat intel integration and incident detection improvements.
Monthly performance summary for 2024-11 across CrowdSec ecosystems. This period focused on delivering structured, developer-friendly documentation, enhanced configurability for AppSec, enriched alert context for faster incident response, and proactive CVE detection rules with testing. No explicit bug fixes were reported; momentum was sustained through architectural clarity and stability improvements that boost business value and operational efficiency.
Monthly performance summary for 2024-11 across CrowdSec ecosystems. This period focused on delivering structured, developer-friendly documentation, enhanced configurability for AppSec, enriched alert context for faster incident response, and proactive CVE detection rules with testing. No explicit bug fixes were reported; momentum was sustained through architectural clarity and stability improvements that boost business value and operational efficiency.
Overview of all repositories you've contributed to across your timeline