Compare Microsoft Sentinel vs. OpenCTI in 2026

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Description

Standing watch, at your side. Intelligent security analytics for your entire organization. With SIEM reinvented for modern times, you can see and stop threats before they cause damage. Microsoft Sentinel gives you a birds-eye view of the entire enterprise. Use the cloud and large-scale intelligence gleaned from decades of Microsoft security expertise to your advantage. Artificial intelligence (AI) will make your threat detection and response faster and more efficient. Reduce the time and cost of security infrastructure setup and maintenance. You can elastically scale your security needs to meet them, while reducing IT costs. Collect data at cloud scale - across all users, devices and applications, on-premises or in multiple clouds. Using Microsoft's unparalleled threat intelligence and analytics, detect previously discovered threats and reduce false positives. Microsoft's decades of cybersecurity experience allows you to investigate threats and track suspicious activities on a large scale.

Description

OpenCTI is an open-source platform for threat intelligence created by Filigran, aimed at assisting organizations in gathering, correlating, and utilizing threat information at various levels, including strategic, operational, and tactical. By providing a unified view of threat data from diverse sources, it converts unrefined data into practical insights. The platform features an advanced knowledge hypergraph database that adheres to STIX standards, allowing for a thorough understanding of the context and connections within threat intelligence. OpenCTI also includes extensive visualizations and analytical tools that support comparison and exploration within the knowledge graph. By integrating both technical and non-technical data into a single framework, it connects each piece of threat intelligence back to its original source, offering a holistic analytical viewpoint. Additionally, the platform boasts robust case management features that improve threat detection and response by centralizing data related to incidents and promoting real-time teamwork. Overall, OpenCTI serves as a powerful ally for organizations aiming to strengthen their cybersecurity posture.