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Andrew Huynh

PROFILE

Andrew Huynh

Trung-Hieu Huynh contributed to the cisagov/ScubaGear and cisagov/ScubaGoggles repositories by developing and refining security policy baselines, configuration management systems, and compliance tooling over six months. He enhanced policy governance and documentation, introduced comprehensive YAML-based configuration references, and improved error handling and reporting for CSV and JSON outputs. Using Python, Rego, and YAML, Trung-Hieu addressed policy drift, strengthened two-step verification enforcement, and standardized configuration files to reduce misconfigurations. His work included expanding unit test coverage and aligning documentation with evolving security standards, resulting in more reliable audits, streamlined onboarding, and improved maintainability across both backend and DevOps workflows.

Overall Statistics

Feature vs Bugs

77%Features

Repository Contributions

16Total
Bugs
3
Commits
16
Features
10
Lines of code
1,440
Activity Months6

Work History

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for Scuba-related development: Key features delivered: - cisagov/ScubaGear: Security Policy Baseline Update achieving alignment of markdown baselines with approved security policies (v1.7.0). Updated rationale and baselines across aad.md, exo.md, sharepoint.md, powerbi.md, teams.md, and 9.4; included Defender 5.1 rationale updates and updated PowerShell/ScubaGear baselines. - cisagov/ScubaGoggles: Google Workspace Security Baseline Documentation and Tests (v0.6.0). Updated markdown baselines for Google Workspace configurations, added compliance config, and expanded unit tests and documentation (gmail.md, calendar.md, drive.md, meet.md, classroom.md, sites.md, etc.). Refactors included moving scopes to scuba_constants.py and introducing new assumptions for parent OUs and groups in reports. Major bugs fixed: - Corrected baseline drift by updating baselines to the final-for-publication state and aligning with current security standards, improving consistency and audit readiness. - Implemented compliance/config enhancements and testing coverage to catch misconfigurations earlier in the pipeline. Overall impact and accomplishments: - Strengthened security posture and policy enforcement across ScubaGear and ScubaGoggles baselines, enabling faster and more reliable audits. - Expanded test coverage and documentation quality, reducing risk of baseline regressions and improving developer onboarding. - Demonstrated cross-repo collaboration and code quality improvements through coordinated commits and co-authored changes. Technologies/skills demonstrated: - Markdown baseline authoring and policy alignment; Python-based tooling improvements; unit testing (pytest) for md parsing and reporting; configuration management and compliance tooling; collaboration across multiple team members.

January 2026

2 Commits • 2 Features

Jan 1, 2026

Month: 2026-01 — This period focused on delivering configuration clarity and policy improvements across cisagov/ScubaGear and cisagov/ScubaGoggles. No major bugs fixed this month; stability maintained. Key features delivered: CAP Coverage Enhancement in ScubaGear with added language to address potential gaps in CAP coverage (commit 70001b41e3aadcb10e9a0e05227f08240463266e). ScubaGoggles introduced a comprehensive full_config.yaml reference, consolidating parameters and removing outdated references (commit 078c04519e71f0767eb9c1b12a0285c368439dbd). Configuration cleanup and alignment: removed legacy references and redundant files to establish a single source of truth (full_config.yaml) across ScubaGoggles, including removal of annotate/omit/baseline files. Collaboration and quality: co-authored commits across both repos and improved documentation and consistency. Business value: reduces risk of misconfigurations, improves policy review workflows, and accelerates onboarding with a clear, maintainable configuration model.

December 2025

2 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for cisagov/ScubaGoggles focusing on reliability improvements and repository standardization. This month delivered clearer error messaging for missing test results and aligned ActionPlan CSV naming with the BOD implementation guide, improving user feedback and maintainability.

November 2025

3 Commits • 2 Features

Nov 1, 2025

November 2025 monthly summary focused on delivering secure policy governance and alignment across two cisagov repositories. Key work included policy updates for sensitive accounts and Defender documentation in ScubaGear, and an Administrative Accounts Security Enhancement in ScubaGoggles to enforce cloud-only admin access with Google authentication and phishing-resistant MFA. Documentation accuracy was improved through last-modified date updates and policy version synchronization, supporting audit readiness and governance. The work demonstrates strong cross-team collaboration and adherence to security baselines (MS Defender, MS AAD), reducing risk from impersonation and on-premises compromises, while clarifying identity models and access controls across projects.

October 2025

2 Commits

Oct 1, 2025

October 2025 monthly summary focusing on key accomplishments and business impact. Delivered targeted bug fix in cisagov/ScubaGoggles to improve Two-Step Verification (2SV) enforcement accuracy within Common Controls (CC) 1.4/1.5. The change ensures OUs that allow 2SV but are not enforcing it are correctly identified, aligning policy logic and test coverage with the enforcement status. This work reduces policy misclassification, strengthens security posture, and supports auditability for compliance reviews.

August 2025

5 Commits • 3 Features

Aug 1, 2025

August 2025 performance summary highlighting targeted feature delivery, bug fixes, and policy governance across ScubaGear and ScubaGoggles. Focused on reducing user friction, strengthening security posture, and maintaining API compatibility through clear guidance, updated policies, and integration guidelines.

Activity

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Quality Metrics

Correctness93.2%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage26.2%

Skills & Technologies

Programming Languages

CSVMarkdownPowerShellPythonRegoYAMLrego

Technical Skills

API IntegrationCSV handlingDevOpsDocumentationError HandlingGoogle Workspace AdministrationPolicy ManagementPolicy as CodePython developmentPython scriptingRegoScriptingSecurity ComplianceSecurity ConfigurationSecurity Engineering

Repositories Contributed To

2 repos

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

cisagov/ScubaGoggles

Aug 2025 Feb 2026
6 Months active

Languages Used

CSVMarkdownRegoregoPythonYAML

Technical Skills

API IntegrationDevOpsDocumentationGoogle Workspace AdministrationPolicy ManagementSecurity Configuration

cisagov/ScubaGear

Aug 2025 Feb 2026
4 Months active

Languages Used

PowerShellMarkdown

Technical Skills

DocumentationError HandlingScriptingdocumentationpolicy managementsecurity policy development