A large financial institution has identified a sophisticated phishing campaign targeting employees, resulting in unauthorized...

Integrating XDR with XSOAR best meets the combined goals of real-time correlation and streamlined response workflows. XDR’s strength is cross-domain detection and correlation (identity, endpoint, email, cloud, network) to produce higher-fidelity incidents from noisy signals—critical in phishing-driven compromises. XSOAR’s strength is orchestrating response: enrichment, case management, approvals, containment actions (disable account, revoke sessions, isolate device), and notifications, all executed consistently through playbooks. When integrated, detections produced by XDR can automatically trigger XSOAR playbooks that standardize triage and containment, reducing response time and analyst workload while improving consistency and auditability. Integrating XDR with SIEM improves centralized visibility and correlation inside the SIEM, but it does not directly address end-to-end automated workflows. EDR integrations (with SIEM or XSOAR) are narrower in scope—useful for endpoint actions but less effective for phishing campaigns that span identity, email, and cloud resources. Since the question explicitly requires both improved correlation and streamlined response automation, XDR-to-XSOAR is the most complete option among those provided.