Concise monthly summary for 2026-03 focusing on security hardening, restricted-mode improvements, and risk mitigation across vim/vim and macvim-dev/macvim. The quarter delivered significant code-level and policy-level changes to strengthen defense against code execution, environment-variable tampering, and command injection, while adding tests to verify restricted-mode behavior. Overall, the work reduces blast radius in sensitive environments and reinforces Vim/Neovim's secure-by-default posture.

November 2024 — Google Timesketch: Delivered a new Sigma mapping for Windows Certificate Services Client Lifecycle events. Updated data/sigma_config.yaml to enable parsing and analysis of security-related events from Microsoft-Windows-CertificateServicesClient-Lifecycle-System logs. This improves Windows visibility for certificate lifecycle events and enhances detection capabilities. No major bugs fixed this month. Overall impact: stronger security telemetry, easier incident detection, and a foundation for future Windows event mappings. Technologies/skills demonstrated: Sigma mappings, YAML configuration, version-controlled commits, Windows security events.