OpenCTI by Filigran vs. Doppel

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.

Doppel is the AI-native Social Engineering Defense platform, protecting organizations, their people, and their customers from sophisticated phishing, impersonation, fraud, and social engineering attacks. Powered by agentic AI and the Doppel Threat Graph, Doppel unifies threat intelligence, AI-powered detection, and automated response to identify and disrupt threats across email, social media, domains, messaging platforms, and other digital channels. Doppel's unified platform brings together three core solutions: 1.