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Léane GRASSER

PROFILE

Léane Grasser

Worked on the SEKOIA-IO/intake-formats repository to enhance Fortinet event integration by implementing support for FortiWeb proxied traffic, enabling accurate extraction of user and proxy IP addresses from X-Forwarded-For headers. Leveraged backend development and data parsing skills to update source IP fields in line with ECS mapping guidance, ensuring that user and proxy IPs are correctly attributed for improved security analytics. Addressed a critical bug to ensure the source.nat.ip field accurately reflects the true source IP in NAT scenarios, reducing data misinterpretation. Utilized YAML and JSON for configuration and parsing, with a strong emphasis on testing and maintainability.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
115
Activity Months2

Work History

March 2026

1 Commits

Mar 1, 2026

In March 2026, SEKOIA-IO/intake-formats delivered a critical bug fix that directly enhances the accuracy of network event parsing. The fix ensures correct assignment of the source.nat.ip field so it reflects the actual source IP address for Fortinet-derived events, improving reliability for security monitoring and incident response. The change reduces data misinterpretation where source.nat.ip and source.ip were inadvertently equal, addressing a gap observed in earlier tests and reviews.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026: Delivered FortiWeb proxied traffic support in intake-formats, enabling accurate user and proxy IP detection via X-Forwarded-For. Updated source IP fields based on parsed events and added tests to validate parsing changes. This work improves data fidelity for attribution and security analytics, aligned with ECS IP mapping guidance. No major bugs fixed this month; focus on reliability, test coverage, and maintainability.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONYAML

Technical Skills

Fortinet integrationYAML parsingbackend developmentdata parsingnetwork configurationtesting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

SEKOIA-IO/intake-formats

Feb 2026 Mar 2026
2 Months active

Languages Used

JSONYAML

Technical Skills

backend developmentdata parsingtestingFortinet integrationYAML parsingnetwork configuration