Microsoft 365 Security Baseline Assessment - Nubrix Security

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Microsoft 365 Security Baseline Assessment

Overview

Strong Microsoft 365 security begins with secure configuration. Our Microsoft 365 Security Baseline Assessment provides a structured, configuration-level review of your tenant aligned to Microsoft security best practices and CISA SCuBA guidance.

Rather than relying on assumptions or Secure Score alone, we evaluate your Microsoft 365 configuration across identity, collaboration, messaging, and security workloads to identify misconfigurations, high-risk exposures, and opportunities for improvement.

The result is a clear understanding of your current security posture, along with practical recommendations that help you prioritize remediation efforts and reduce organizational risk.

What the Assessment Covers

The assessment evaluates key security controls across the core Microsoft 365 workloads that have the greatest impact on your organization’s security posture.

Our Microsoft 365 Security Baseline Assessment focuses on configuration validation across areas including:

  • Identity and Access Management (Microsoft Entra ID)
  • Conditional Access policies and MFA enforcement
  • Exchange Online security and mail flow protections
  • SharePoint and OneDrive configuration settings
  • Microsoft Defender security controls and protection posture
  • External sharing, collaboration, and tenant restrictions
  • Legacy authentication exposure and risk areas
  • Administrative roles and privileged access configuration

The assessment is evidence-based, tailored to your Microsoft 365 environment, and aligned to your organization’s licensing, operational requirements, and business risk profile.

Assessment Approach

Every assessment follows a structured engagement model designed to establish a security baseline, analyze findings, prioritize remediation efforts, and validate improvements over time.

This approach helps organizations move beyond identifying risks and toward measurable security improvements.

What You Receive

At the conclusion of the assessment, you receive a complete assessment package designed for both executive stakeholders and technical teams.

This includes:

  • Executive Summary Report
  • Microsoft 365 Security Posture Scorecard
  • Detailed Findings by Workload
  • Prioritized Remediation Recommendations
  • Findings Review Session

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