--- title: OpenCTI by Filigran Reviews meta_title: 'OpenCTI by Filigran Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 47 reviews by the users' company size, role or industry to find out how OpenCTI by Filigran works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 47 scale: '5' date_modified: '2026-08-07' parent_category: name: System Security url: https://www.g2.com/categories/system-security --- # OpenCTI by Filigran Reviews **Vendor:** Filigran **Category:** [Threat Intelligence Software](https://www.g2.com/categories/threat-intelligence) **Average Rating:** 4.6/5.0 **Total Reviews:** 47 ## About OpenCTI by Filigran OpenCTI is an open-source threat intelligence platform designed to help users manage and operationalize threat intelligence effectively. Built by practitioners for practitioners, OpenCTI aims to break down data silos and ensure that threat intelligence is not only accessible but also actionable. This platform facilitates the seamless flow of threat intelligence across various security systems, making it relevant by integrating business context and enabling the creation of comprehensive threat exposure reports for enhanced executive visibility. The target audience for OpenCTI includes cybersecurity professionals, threat analysts, and organizations looking to improve their threat intelligence capabilities. By providing a centralized platform for threat data, OpenCTI allows users to visualize, link, and enrich threat intelligence, fostering collaboration among teams and enhancing the overall security posture of an organization. The platform is particularly beneficial for organizations that need to streamline their threat intelligence processes and ensure that critical information is readily available to decision-makers. Key features of OpenCTI include its unified and consistent data model based on the Structured Threat Information Expression (STIX) standard. This allows users to integrate diverse threat data sources into a single framework, making it easier to analyze and respond to threats. The platform supports various data formats and can ingest information from multiple feeds, enabling users to maintain a comprehensive view of the threat landscape. Additionally, OpenCTI offers advanced visualization tools that help users identify patterns and relationships within the data, facilitating more informed decision-making. Moreover, OpenCTI enhances the operationalization of threat intelligence by providing users with the tools to enrich their data with contextual information. This capability allows organizations to tailor their threat intelligence to their specific business needs, ensuring that the information is not only relevant but also actionable. By generating detailed threat exposure reports, OpenCTI empowers executives with the insights needed to understand their organization's risk landscape and make informed strategic decisions regarding cybersecurity investments and initiatives. Overall, OpenCTI stands out in the realm of threat intelligence platforms by prioritizing collaboration, accessibility, and contextual relevance. Its open-source nature encourages community involvement and continuous improvement, making it a valuable resource for organizations seeking to enhance their threat intelligence capabilities and strengthen their cybersecurity defenses. ## OpenCTI by Filigran Pros & Cons **What users like:** - Users commend the **ease of use** of OpenCTI, enabling seamless integration and efficient threat analysis from day one. (18 reviews) - Users praise OpenCTI's **powerful automation and flexibility** , facilitating actionable intelligence and enhancing team collaboration. (18 reviews) - Users commend the **excellent customer support** of OpenCTI, highlighting their eagerness to assist and improve experiences. (11 reviews) - Users praise the **seamless integrations** of OpenCTI, enhancing their ability to centralize and utilize diverse data sources. (10 reviews) - Users value the **strong integration capabilities** of OpenCTI, enhancing threat intelligence and response workflows effectively. (9 reviews) - Easy Integrations (8 reviews) - Support (8 reviews) - Users value the **robust threat detection capabilities** of OpenCTI, enjoying seamless integration and community support. (7 reviews) - Users value the **automation capabilities** of OpenCTI, which significantly enhances efficiency in threat analysis and incident response. (6 reviews) - Solutions (6 reviews) **What users dislike:** - Users find the **graphing and dashboard limitations** hinder flexibility and overall effectiveness of OpenCTI's features. (6 reviews) - Users find the **complexity of outputs and workflows** challenging, impacting effective application and overall user experience. (5 reviews) - Users often face **poor customer support** , resulting in challenges with connector quality and documentation issues. (4 reviews) - Users report **poor documentation** , making it challenging to effectively utilize OpenCTI and its features. (4 reviews) - Users find the **dashboard limitations** frustrating, with restricted displays and limited customization options affecting usability. (3 reviews) - Users find the **difficult learning curve** of OpenCTI challenging, yet acknowledge its long-term benefits once mastered. (3 reviews) - Users find the **learning curve challenging** , requiring time and practice to fully utilize OpenCTI's extensive features. (3 reviews) - Limited Features (3 reviews) - Users find OpenCTI **not user-friendly** due to cumbersome workflows and a lack of detailed documentation. (3 reviews) - Technical Issues (3 reviews) - [View OpenCTI by Filigran pricing details and edition comparison](https://www.g2.com/products/opencti-by-filigran/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-08-07+15%3A40%3A07+-0500&secure%5Bsession_id%5D=2636c2df-4759-47a2-9660-64190bb5485b&secure%5Btoken%5D=9e3b35aadb825fc632f6d088e58e059ac7f11a84e5094803e9c2f33d63db633c&format=llm_user) ## OpenCTI by Filigran Integrations - [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) - [DomainTools](https://www.g2.com/products/domaintools/reviews) - [Feedly for Threat Intelligence](https://www.g2.com/products/feedly-for-threat-intelligence/reviews) - [Google Threat Intelligence](https://www.g2.com/products/google-threat-intelligence/reviews) - [Group-IB Threat Intelligence](https://www.g2.com/products/group-ib-threat-intelligence/reviews) - [Microsoft Sentinel](https://www.g2.com/products/microsoft-sentinel/reviews) - [OpenAEV by Filigran](https://www.g2.com/products/openaev-by-filigran/reviews) - [Recorded Future](https://www.g2.com/products/recorded-future/reviews) - [Splunk Enterprise](https://www.g2.com/products/splunk-enterprise/reviews) - [Torq AI SOC Platform](https://www.g2.com/products/torq-ai-soc-platform/reviews) - [VirusTotal](https://www.g2.com/products/virustotal/reviews) ## OpenCTI by Filigran Features **Additional Functionality** - Penetration Testing - Alerts/Notifications - Audit Trail - Anti Virus - Vulnerability Scanning - Remote Monitoring & Management - VPN - Behavior Analytics - Reporting/Analytics - Real-Time Notifications - Access Controls/Permissions - SSL Security - Patch Management - Event Logs - Anomaly/Malware Detection - DNS Leak Protection - Third-Party Integrations - Server Monitoring - Real-Time Monitoring - Compliance Management - Network Provisioning - API - Email Alerts - Security Auditing - Intrusion Detection System - Data Visualization - Two-Factor Authentication - Generative AI - Firewalls - AI Copilot - Anti Spam - Threat Response - Activity Monitoring - Risk Alerts - Data Loss Prevention - Single Sign On - Intrusion Prevention System - Secure Login - Policy Management - Activity Dashboard **Orchestration** - Asset Management - Security Workflow Automation - Deployment - Sandboxing - Remediation Management **Response** - Resolution Automation - Resolution Guidance - System Isolation - Threat Intelligence - Incident Investigation **Administration** - Reports & Analytics - Dashboard **Information** - Proactive Alerts - Malware Detection - Intelligence Reports - Threat Intelligence - Real-time Alerts **Records** - Incident Logs - Incident Reports **Personalization** - Endpoint Intelligence - Dynamic/Code Analysis - Event Analysis - Web-Application Security - Application Security **Management** - Incident Alerts - Workflow Management **Generative AI** - AI Text Summarization - Generate Attack Scenarios - Generate Threat Detection Rules - Generate Threat Summaries - Generative AI **Generative AI** - AI Text Generation - AI Text Summarization - Generative AI **Additional Functionality** - SSL Security - HIPAA Compliant - API - Threat Response - Endpoint Protection - Maintenance Scheduling - Third-Party Integrations - Security Auditing - Application Security - Encryption - Network Security - Real-Time Reporting - AI Copilot - Reporting/Analytics - Authentication - Financial Data Protection - Anti Virus - Secure Data Storage - Virus Definition Update - Activity Dashboard - VPN - Audit Trail - Anti Spam - Access Controls/Permissions - Data Visualization - Alerts/Escalation - Data Security **Agentic AI - Threat Intelligence** - Autonomous Task Execution - Multi-step Planning - Proactive Assistance - Decision Making **Additional Functionality** - Real-Time Reporting - Real-Time Analytics - Network Monitoring - API - Reporting/Analytics - Alerts/Notifications - Behavior Analytics - AI Copilot - Activity Dashboard - Profiling - Cloud Backup - Data Visualization - Activity Monitoring - Network Scanning - Event Logs - Monitoring - Server Monitoring - Vulnerability Scanning - Incident Reporting - Activity Tracking - Reporting & Statistics - Network Provisioning - Prioritization - Threat Response - Real-Time Data - IT Reporting ## Top OpenCTI by Filigran Alternatives - [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) - 4.6/5.0 (417 reviews) - [Cloudflare Application Security and Performance](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) - 4.5/5.0 (656 reviews) - [Check Point Next Generation Firewalls (NGFWs)](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) - 4.5/5.0 (513 reviews)