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Clarent360 conducts Microsoft Defender security reviews that assess the configuration, coverage, and operational effectiveness of your Defender deployment. The Defender product family spans endpoints, identity, cloud apps, and Office 365 — but its protective value depends on how accurately each product is configured, integrated, and operationally managed.
Our review covers Defender for Endpoint, Defender for Identity, Defender for Office 365, Defender for Cloud Apps, and Microsoft Defender XDR — producing a findings register that identifies configuration gaps, coverage blindspots, and integration weaknesses across the entire Defender estate.
Review of Defender product configurations — attack surface reduction rules, device onboarding, identity sensor deployment, and anti-phishing policy settings — against security benchmarks.
Assessment of Defender coverage across endpoints, identities, cloud apps, and email — identifying unprotected assets, disabled detections, and integration gaps that create blind spots.
Clarent360 reviews Microsoft Defender deployments against CIS Benchmarks, Microsoft security baselines, and threat detection best practices. Many Defender deployments are incomplete — endpoints onboarded without ASR rules, Defender for Identity sensors missing on domain controllers, and Defender for Cloud Apps in discovery mode only.
Our review team produces a product-by-product assessment of configuration accuracy, onboarding completeness, alert policy coverage, and XDR integration — giving your security team a clear picture of what Defender is and is not protecting in your environment.
Review of device onboarding completeness, attack surface reduction rules, tamper protection, behavioural blocking, and live response capability configuration.
Assessment of sensor deployment coverage, monitored domain controllers, alert policy configuration, and integration with Microsoft Sentinel and XDR.
Review of Safe Links, Safe Attachments, anti-phishing policies, preset security policies, and threat simulation programme configuration.
Assessment of connected application coverage, session policy configuration, anomaly detection policy enablement, and shadow IT discovery completeness.
A complete Defender review examines each product individually and assesses how the products integrate to form a unified detection and response capability. Each pillar addresses a distinct Defender product area and its contribution to the overall security posture.
Review Defender for Endpoint onboarding coverage, ASR rules, behavioural blocking, and tamper protection across the managed device fleet.
Assess Defender for Identity sensor deployment, monitored scope, and alert configuration — covering privileged identity and lateral movement detection.
Review Defender for Office 365 anti-phishing, Safe Links, and Safe Attachments policies — including preset security policy adoption and simulation programme maturity.
Evaluate Defender for Cloud Apps connected application coverage, session controls, anomaly detection policies, and shadow IT discovery configuration.
Assess Microsoft Defender XDR correlation rules, incident configuration, automated investigation and response settings, and Sentinel integration.
Produce a prioritised hardening register with product-specific configuration guidance, effort estimates, and security score improvement projections.
Clarent360 delivers Microsoft Defender security reviews that expose the configuration gaps, coverage blindspots, and integration weaknesses that leave organisations exposed despite having Defender licensed and deployed. Every review produces implementation-ready remediation guidance for your security engineering team.
"Licensing Defender is not the same as being protected by Defender. Configuration gaps, incomplete onboarding, and disabled detections leave real exposure — our reviews find them and give teams a clear path to close them."
Defender for Endpoint onboarding completeness and ASR rule assessment
Defender for Identity sensor coverage and alert policy review
Defender for Office 365 anti-phishing, Safe Links, and Safe Attachments configuration review
Defender for Cloud Apps connected application and session policy assessment
Microsoft Defender XDR correlation and automated response configuration review
Findings mapped to CIS Defender Benchmarks and Microsoft security baselines
Prioritised remediation register with product-specific configuration guidance
Microsoft Secure Score improvement pathway with effort-weighted recommendations
Defender for Sentinel integration gap identification and remediation planning
Post-review Defender reconfiguration and hardening support available
Clarent360 delivers structured Microsoft Defender security reviews and data protection controls assessments designed to protect your organization's sensitive data landscape.