Case study

Sibylline Internal Tools and Security Infrastructure

Built and maintained internal tools and online presence while supporting cybersecurity, Microsoft 365, Intune, Entra, Power Platform, phishing simulation, and analyst-facing data workflows.

ReactMERNMicrosoft 365IntuneEntraPower Platform

Expanded from frontend work into broader security-aware operations tooling.

  • Created responsive internal utilities and online presence work.
  • Built MERN data visualization with UK Crime API workflows.
  • Supported M365, Intune, Entra, SharePoint, Teams, Exchange, Power Platform, and phishing training initiatives.

Role and context

Front-end developer and internal tooling/security contributor

Remote work with analyst-facing tools, Microsoft administration, security training, and workflow automation.

Sibylline Internal Tools and Security Infrastructure | Sean G. Brown