The future of defense is transparent.
Proprietary security leaves too much to trust. OpenDefender is built on open source principles, empowering the community to verify, audit, and contribute to the world's most critical defense tools.
Community Driven
Rapid feature development and continuous security audits by global experts.
Auditable Trust
No vendor lock-in, no hidden backdoors. The code is the truth.
Modern Performance
Optimized for cloud-native architectures and massive scale deployment.
The OpenDefender Suite
Six modular tools, one unified, automated defense strategy. Choose the components you need, connect them seamlessly.
OpenRisk
Predictive Vulnerability Scoring.
Leverage AI to prioritize and remediate threats before exploitation. Dynamic risk scoring across all assets.
OpenWatch
Real-time SIEM and Threat Hunting.
Centralized logging and intelligence. Detect anomalies and respond instantly.
OpenAsset
Universal Infrastructure Inventory.
A single source of truth for all your physical, cloud, and ephemeral assets.
OpenShield
Zero-Trust Access Control.
Micro-segmentation and policy enforcement based on real-time context and posture.
OpenSec
Vulnerability Scanning & Pentest Orchestration.
Orchestrate automated vulnerability scans and continuous penetration testing workflows for CI/CD integration and compliance.
Built by Contributors.
Join the thousands of engineers making OpenDefender the most reliable defense suite. Check out our public roadmap.
Built for the Modern Stack.
Three principles define the OpenDefender platform: Automation, Transparency, and Scalability.
AI-Powered Automation
OpenDefender automatically detects, prioritizes, and deploys fixes across your entire stack. Zero human intervention for routine tasks, freeing security teams for complex threats.
Universal Visibility
From cloud endpoints to containers, OpenDefender gives you deep, unified insight into every asset's security posture and real-time activity, built on OpenAsset and OpenWatch.
Open and Extensible
Integrate seamlessly with your existing tools (SIEMs, Ticketing, CI/CD). Being open-source means you can customize, audit, and extend functionality without limitations.
Experience the Unified Dashboard.
Visibility without complexity. Monitor OpenRisk scores, OpenWatch logs, and OpenAsset inventory from one beautiful, intelligent interface.
Trusted by the Best Teams.
Validated by security leaders who demand performance, transparency, and control.
"The automation capabilities of OpenFlow reduced our incident response time by 60%. It’s genuinely a leap forward for SOAR."
Dr. Evelyn Reed
Head of Security Operations, NexaCorp
"We chose OpenDefender for the transparency. Being able to audit the core engine gives us unmatched confidence."
Marcus Chen
VP of Engineering, CloudFlare Systems
"Seamless integration across our multi-cloud infrastructure. OpenAsset finally gives us the single pane of glass we needed."
Sarah Velez
Chief Information Security Officer (CISO), Dynatrace Labs
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