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Elleinshar

PROFILE

Elleinshar

Alexandre Becquart developed and enhanced security analytics features for the Azure/Azure-Sentinel repository, focusing on cross-cloud threat detection and rule governance over a three-month period. He implemented new analytic rules using Kusto Query Language and YAML, such as correlating threat intelligence IPs with email events and detecting S3 object exfiltration by anonymous AWS users. Alexandre standardized rule file naming, improved data correlation, and enriched audit context by parsing user identities in EC2 startup analytics. His work emphasized packaging automation, rule accuracy, and deployment reliability, demonstrating depth in AWS security, SIEM integration, and cloud data engineering without direct bug fixes during this period.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

7Total
Bugs
0
Commits
7
Features
5
Lines of code
4,673
Activity Months3

Work History

October 2025

2 Commits • 1 Features

Oct 1, 2025

October 2025: Azure Sentinel AWS analytics rules enhancements and a new S3 object exfiltration detection rule. Added a new analytics rule file to detect S3 object exfiltration by anonymous users in AWS environments and refined existing AWS analytics rules (S3 exfiltration, ECR image scanning, privilege escalation) for improved accuracy and clarity. This work emphasizes expanding cross-cloud threat detection coverage and rule reliability within the Azure Sentinel ecosystem.

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for Azure/Azure-Sentinel focusing on features delivered for AWS-related data solutions and monitoring enhancements, packaging work, and impact on security posture.

August 2025

2 Commits • 2 Features

Aug 1, 2025

In August 2025, Azure/Azure-Sentinel delivered targeted feature work to enhance threat detection, security analytics, and rule governance. Two key features were implemented: - Threat Intelligence: TI map IP entity to EmailEvents analytic rule, introducing a new correlation rule to strengthen detection and standardizing analytic rule file names by renaming three existing rules to include the .yaml extension. Commits: 654076ded5f436dd4042ac69d4b4ffa992b64077. - EC2 startup script analytics: parse UserName from UserIdentityPrincipalid, providing richer context for security events and improving auditing capabilities. Commit: 690932c08c08238599349dc6260086fe5958acff. While no explicit major bugs are listed in the provided data, the work improves visibility, governance, and incident response readiness by standardizing rule naming and enriching data captured in analytics.

Activity

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Quality Metrics

Correctness85.6%
Maintainability85.6%
Architecture85.6%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONKQLYAMLyaml

Technical Skills

AWSAWS SecurityAzure SentinelCloud SecurityData ConnectorsData EngineeringKusto Query LanguageLog AnalysisMicrosoft SentinelSIEMSecurity AnalyticsThreat Intelligence

Repositories Contributed To

1 repo

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

Azure/Azure-Sentinel

Aug 2025 Oct 2025
3 Months active

Languages Used

KQLYAMLyamlJSON

Technical Skills

AWSCloud SecurityKusto Query LanguageLog AnalysisSIEMSecurity Analytics

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