Consulting
From cloud migration to enterprise security governance — 4TH AND BAILEY designs, builds, and operates the technology infrastructure that organizations depend on.
Cloud Architecture & Migration
Cloud architecture, migration, and operations across on-premises, AWS, Google Workspace, Microsoft Azure, and Microsoft 365 — hybrid and multi-cloud environments included. IaaS, PaaS, and SaaS strategy built around cost optimization, performance, and vendor portability so your organization is never locked into a platform that stops serving you.
Security Posture & Governance
Security posture assessment, hardening, and governance aligned to CISA SCuBA, NIST SP 800-53, MITRE ATT&CK, and CIS Benchmarks. Microsoft 365 Defender configuration, Exchange Online hardening, and incident response readiness for organizations that cannot afford to find out they were unprepared after the fact.
Enterprise Infrastructure Design
Enterprise infrastructure design and governance using the Infrastructure Placement Framework — the open-source enterprise IT framework built by 4TH AND BAILEY. Network architecture, server infrastructure, and hybrid cloud integration aligned to the frameworks that hold up under financial, regulatory, and operational scrutiny.
Advisory & Fractional CTO
Advisory and fractional CTO services for organizations navigating technology decisions, vendor selection, compliance requirements, and digital transformation. Structured engagements from one-time assessments to ongoing advisory retainers — serving SMBs to large enterprises nationwide.
Thought Leadership
Published frameworks, analysis, and recognition from Lionel Mosley and 4TH AND BAILEY.
Original analysis and frameworks published at trust-lionel.com — covering CISA SCuBA implementation, Microsoft 365 security, AI governance, and business continuity. Written for CISOs, IT directors, and compliance officers making decisions that determine whether their organizations survive the next disruption.
Creator and maintainer of the Infrastructure Placement Framework — a vendor-neutral, NIST-aligned enterprise IT governance framework available under Creative Commons Attribution 4.0. Built for organizations that have outgrown commodity IT.
Recognized Microsoft Cloud Solution Provider serving organizations across the United States with Microsoft 365, Azure, and enterprise security deployments aligned to federal security baselines.
A documented real-world infrastructure build — from architecture decisions to deployment — published as a reference for practitioners building production-grade systems.
How We Built Houston Alert — A Real-Time City Warning System →Let's architect something great
Join organizations nationwide already working with Lionel Mosley and 4TH AND BAILEY on cloud services, cybersecurity, and infrastructure governance.