Defender Threat Intelligence Agent
Implementation Effort: Medium — IT and Security Operations teams must enable and integrate Microsoft Defender for Endpoint and Defender External Attack Surface Management so the agent has the required telemetry to operate effectively.
User Impact: Low — All actions occur within admin/SecOps workflows; non‑privileged users do not need to take any action or be notified.
Overview
The Defender Threat Intelligence Agent (referred to in Microsoft Learn as the Threat Intelligence Briefing Agent) is an AI‑driven capability in Microsoft Security Copilot that generates tailored threat intelligence summaries based on signals from Microsoft Defender for Endpoint and Microsoft Defender External Attack Surface Management. It provides analysts with context-rich information on adversary activity, threat infrastructure, and relevant indicators, helping teams speed up investigations and identify active risks.
If this capability is not leveraged, security teams may miss correlations across Defender signals or spend more time manually gathering intelligence, increasing the risk of delayed detection and slower response.
This capability aligns to the Zero Trust principle of Assume breach by enhancing visibility, exposing attacker infrastructure, and improving threat detection quality.