Microsoft Defender for Containers
by Microsoft Corporation
Microsoft Defender for Containers is the best container security tool for Azure Kubernetes Service (AKS) a native Azure container security service providing real-time Kubernetes threat detection, container image vulnerability assessment, and Kubernetes security posture hardening at competitive per-node pricing with zero configuration for AKS workloads and Microsoft Security Copilot AI investigation.
Starting Price
From $0.0062/vCore/hour; AKS pricing calculator at microsoft.com; multi-cloud on quote
G2
Gartner
Capterra
Ratings & Reviews
Key Features
- Container Security AKS
- EKS
- GKE
- Arc-Enabled Kubernetes
- Real-Time Kubernetes Threat Detection 60+ K8s Attack Techniques
- Container Image Vulnerability Assessment Integrated with Microsoft Defender Vulnerability Management
- Kubernetes Security Posture Management (KSPM)
- CIS Kubernetes Benchmark Assessment
- Microsoft Security Copilot AI Container Threat Investigation
- Agentless Container Scanning No Agent on Nodes for AKS
- Attack Path Analysis Container-to-Cloud Risk Visualization
- Admission Controller OPA Gatekeeper Integration
- Container Registry Scanning ACR Native Integration
- Runtime Behavioral Detection Process & Network Anomalies
- Compliance Reporting CIS
- NIST
- PCI Container Evidence
- Microsoft Sentinel Integration Container Alerts in SIEM
- Defender for DevOps CI/CD Container Security Scanning
Pros & Cons
Pros
- +Best container security tool for Azure AKS native integration
- +zero configuration
- +agentless for AKS workloads
- +Microsoft Security Copilot AI investigates container threats in natural language
- +Competitive per-vCore pricing vs. dedicated container security platforms
- +60+ Kubernetes attack technique detections out of box
- +FedRAMP High + DoD IL5 for government Kubernetes security
- +Microsoft Sentinel integration unifies container alerts with SIEM
- +Arc-enabled support for hybrid on-premise Kubernetes clusters
- +Attack path analysis connects container risks to cloud infrastructure
Cons
- −Best value for Azure AKS workloads EKS and GKE coverage requires additional configuration
- −Less specialized container security depth vs. Aqua Security and Sysdig
- −Runtime detection less mature than purpose-built container security tools
- −Copilot AI container investigation newer feature still maturing
- −Advanced container security features require Microsoft Defender for Servers integration
Best For
Azure-centric organizations running AKS who want the best container security tool at competitive per-vCore pricing with native zero-configuration Kubernetes threat detection, Security Copilot AI investigation, and unified container security alerts in Microsoft Sentinel without deploying separate agents.
Target Audience
Enterprise, Mid-Market, Government, Education Organizations running AKS, EKS, or GKE
Key Integrations
Competitor Tools
Pricing
Model
Per core/hour Defender for Containers from $0.0062/vCore/hour (~$4.50/vCore/month)
Starting At
From $0.0062/vCore/hour; AKS pricing calculator at microsoft.com; multi-cloud on quote
Free Trial
Yes 30-day free trial; foundational container security free for AKS resourcesCompany Info
Founded
1975
Headquarters
Redmond, WA, USA
Employees
228,000+
Company Size
All sizes most cost-effective for Azure AKS subscribers
Funding
Public (NASDAQ: MSFT) Market Cap ~$3.2T (January 2026)
Certifications
Awards & Recognition
Gartner Magic Quadrant Leader CNAPP 2025 | Forrester Wave Leader CWPP Q2 2025 | FedRAMP PMO High Authorized | SC Awards Best Azure Container Security 2025
Data sourced from G2, Gartner & Capterra · Verified by Firmographic