Microsoft Defender for Cloud

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Microsoft Defender for Cloud is Microsoft’s Cloud-Native Application Protection Platform (CNAPP).It combines security posture management, developer security, and real-time threat protection across Azure, hybrid environments, and multicloud platforms (AWS, GCP).

Core Pillars of Defender for Cloud

                            ┌─────────────────────────────────────────┐
                            │      Microsoft Defender for Cloud       │
                            └────────────────────┬────────────────────┘
                                                 │
      ┌────────────────────────┬─────────────────┴───────────────┬────────────────────────┐
      ▼                        ▼                                 ▼                        ▼
┌───────────┐         ┌─────────────────┐             ┌─────────────────────┐   ┌─────────────────┐
│  DevOps   │         │ Security Posture│             │   Workload Plans    │   │ Data & AI Risk  │
│ Security  │         │   Management    │             │ (Threat Protection) │   │   Protection    │
│ (DevSecOps)         │   (CSPM / CIEM) │             │       (CWPP)        │   │    (DSPM / AI)  │
└───────────┘         └─────────────────┘             └─────────────────────┘   └─────────────────┘
1. Cloud Security Posture Management (CSPM)

Continuously assesses configurations against security baselines and compliance standards.

  • Secure Score: Provides a single metric reflecting overall security posture with prioritized remediation steps.
  • Foundational CSPM (Free):Includes basic risk assessment, resource inventory, and compliance tracking.
  • Defender CSPM (Paid):Unlocks agentless scanning, attack path analysis, Cloud Infrastructure Entitlement Management (CIEM) to fix over-permissioned identities, and custom security frameworks.
2. Cloud Workload Protection Plans (CWPP)

Delivers specialized, real-time threat protection and vulnerability detection across individual cloud services:

  • Defender for Servers:Integrates with Microsoft Defender for Endpoint for agentless/agent-based malware scanning, vulnerability assessments, and Just-In-Time (JIT) VM access.
  • Defender for Containers:Protects AKS, Amazon EKS, and GCP clusters, providing runtime threat detection and container image vulnerability scanning.
  • Defender for Databases:Scans SQL, Cosmos DB, and open-source relational databases for anomalous access, SQL injection, and vulnerabilities.
  • Defender for Storage & Key Vault:Scans uploads for malware, detects unauthorized SAS token usage, and alerts on unusual secret access.
  • Defender for APIs & App Service: Identifies exposed endpoints, OWASP Top 10 vulnerabilities, and runtime exploits targeting web applications.
3. DevOps Security (DevSecOps)

Protects code and infrastructure-as-code (IaC) templates before deployment.

  • Integrates directly into GitHub Actions, Azure DevOps, and GitLab pipelines.
  • Scans for hardcoded secrets, code vulnerabilities, and misconfigurations in IaC scripts (Bicep, Terraform, ARM) to fix security issues at the source.
4. Data & AI Security
  • Data Security Posture Management (DSPM): Discovers sensitive data stores across your cloud estate and maps access permissions.
  • AI Security:Provides visibility into generative AI workloads (LLM deployments, OpenAI endpoints), identifying prompt injection risks, data leaks, and component supply-chain vulnerabilities.

Key Capabilities & Workflows

CapabilityHow It WorksValue Delivered
Attack Path AnalysisGraph-based engine analyzing network exposure, identity permissions, and vulnerabilities.Shows how an attacker could move laterally to reach critical assets.
Multicloud ProtectionNative connectors linking AWS accounts and GCP projects via federated identities.Single pane of glass for Azure, AWS, GCP, and on-premises environments.
Compliance ManagementMaps security data against standards like CIS, NIST, ISO 27001, and PCI-DSS.One-click compliance reporting and automated gap analysis.
SIEM / XDR IntegrationStreamlines alerts directly into Microsoft Sentinel and the unified Defender XDR portal.Enables automated SOAR playbooks and consolidated incident response.

Licensing Options

  • Free Tier:Automatically active on all Azure subscriptions. Includes Foundational CSPM, Secure Score, basic inventory, and core security recommendations.
  • Defender Plans (Paid per-resource): Enabled on a per-plan basis (e.g., Servers, Storage, Containers) charged per resource/hour or per gigabyte scanned.

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