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Bryan Pluta

PROFILE

Bryan Pluta

Over two months, Bartosz Pluta developed and enhanced security detections in the splunk/security_content and splunk/attack_data repositories, focusing on endpoint and threat detection. He engineered Microsoft Defender and CrowdStrike detection rules that aggregate and summarize alerts, extract entities, map MITRE techniques, and standardize risk scoring, using SPL, YAML, and JSON. His work included creating Splunk macros to simplify configuration and consolidating detection logic for maintainability. Bartosz also introduced a CrowdStrike event stream dataset for evaluation and demonstration, and fixed a critical drilldown issue to improve alert analysis. These contributions deepened detection coverage and improved usability for security operations teams.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

9Total
Bugs
1
Commits
9
Features
4
Lines of code
315
Activity Months2

Work History

June 2025

6 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary highlighting key features delivered, major bugs fixed, and overall impact across Splunk security_content and attack_data repositories. Focused on delivering CrowdStrike Event Stream enhancements, robust test/data alignment, and a new evaluation dataset to support detection validation and demonstrations. Also fixed a critical detection drilldown issue to improve alert analysis usability.

October 2024

3 Commits • 2 Features

Oct 1, 2024

Month: 2024-10 | Focused on delivering Defender-related detections and simplifying configuration for security analytics in splunk/security_content. Key outcomes include: 1) New Microsoft Defender Incident Alerts Detection Rule that aggregates and summarizes alerts, extracts entities, maps MITRE techniques, assigns risk scores based on severity, and filters out 'Clean' verdicts; 2) Defender ATP Alerts Detection and Splunk Macros providing enhanced endpoint security monitoring, detailed search queries, implementation guidance, references, and two macros (ms365_defender_alert and msatp_defender_alert); 3) Consolidation of Defender-related detections in the repository to improve maintainability and collaboration; 4) Strengthened analytics with reduced noise and standardized risk scoring, enabling faster triage and more actionable insights.

Activity

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Quality Metrics

Correctness91.2%
Maintainability91.2%
Architecture88.8%
Performance84.4%
AI Usage20.0%

Skills & Technologies

Programming Languages

JSONSPLSplunk SPLYAML

Technical Skills

CrowdStrikeCybersecurity DataData EngineeringDetection EngineeringEndpoint SecurityLog AnalysisMicrosoft DefenderSIEMSIEM Rule CreationSecurity Content DevelopmentSecurity MonitoringSplunkThreat Detection

Repositories Contributed To

2 repos

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

splunk/security_content

Oct 2024 Jun 2025
2 Months active

Languages Used

Splunk SPLYAMLSPL

Technical Skills

Endpoint SecurityMicrosoft DefenderSIEMSIEM Rule CreationSecurity Content DevelopmentSplunk

splunk/attack_data

Jun 2025 Jun 2025
1 Month active

Languages Used

JSONYAML

Technical Skills

Cybersecurity DataData EngineeringLog Analysis

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