Project Details
Client Snapshot
A national specialty insurance provider operating in a highly regulated industry with strict security, compliance, and governance requirements. The organization relies heavily on Microsoft 365 services to support collaboration, communication, and day-to-day operations.
The Challenge
The customer's Microsoft 365 environment had grown organically over time. Security controls were implemented inconsistently across identities, messaging, collaboration platforms, and compliance tools.Leadership needed three things they didn't have: a clear understanding of the current security posture, alignment with industry best practices, and a structured roadmap for improvement.
Specifically:
No consolidated view of Microsoft 365 security posture.
Low alignment to CIS Microsoft 365 Foundations Benchmarks.
A Microsoft Secure Score of 43%, indicating substantial improvement opportunity.
Difficulty determining which controls would yield the highest security value with the least business impact.
Limited visibility into how to prioritize identity, email, Teams, SharePoint, OneDrive, and compliance settings.
The organization needed a structured, data-driven approach to analyze the tenant, identify gaps, and prioritize improvements based on actual risk and operational impact.
Our Approach
X-Centric conducted a comprehensive Microsoft 365 Hardening Assessment combining automated tooling, manual validation, documentation review, stakeholder interviews, CIS Benchmark mapping, and Secure Score analysis.
1
Assessed the environment against the CIS Microsoft 365 Foundations Benchmark across all controls, identities, email, collaboration, compliance, and administration. Mapped Secure Score controls to CIS requirements to maximize remediation efficiency.
2
Validated key controls that automated tools cannot measure, including conditional access logic and third-party identity integrations, the controls where real risk often hides.
3
Built a scoring model that ranked each recommendation by security value, implementation difficulty, end-user impact, and operational complexity, so leadership could make trade-off decisions with confidence.
4
Delivered a three-phase hardening roadmap: Phase 1 high-value, low-effort wins for immediate gains; Phase 2 moderate changes across identity, messaging, and collaboration; Phase 3 advanced security and governance enhancements. Total projected uplift: ~125 Secure Score points.
Outcomes
X-Centric captured before-and-after metrics to validate engagement effectiveness and demonstrate visible progress in security hardening.
Metric | Before | After | Benefit |
|---|---|---|---|
Microsoft Secure Score | 43% | 88% | +45 points |
CIS Benchmark alignment | Inconsistent | Aligned | Audit ready |
Unified security roadmap | None | 3-phase plan | Clear priorities |
Governance structure | Ad-hoc | RACI matrix | Accountability |
Established a quantifiable benchmark for Microsoft 365 security maturity.
Enabled leadership to make evidence-based decisions on risk, investment, and priorities.
Strengthened compliance readiness through clear documentation and remediation planning.
Improved security predictability and reduced risk across identity, messaging, collaboration, and data protection systems.
Client Review
“Before the assessment, our board questions about M365 security got hand-wavy answers. Now I can point to a number, a roadmap, and a RACI. That changes the conversation.”
Kevin peter
Specialty Insurance Provider
What This Means For Your Business
If you're a regulated firm running Microsoft 365 and your security posture is “probably fine” rather than measurably benchmarked, you're carrying risk you can't quantify. A CIS-aligned hardening assessment turns that ambiguity into a number, a phased plan, and a board-ready answer, typically with most of the high-value gains achievable in 90 days.
Project information
Client:
Specialty Insurance Provider
Industry:
Insurance
Solution:
Cybersecurity · Microsoft 365
Engagment:
6-month phased roadmap