Turning User Reports Into Campaign Intelligence and Guided Response
In the high-stakes waters of modern cybersecurity, user-reported phishing emails are often a double-edged sword. Your employees are your most distributed sensor network, but that "Report Phish" button frequently floods the SOC with a high-volume, low-signal stream of manual triage.
SOC analysts find themselves drowning in a sea of false positives and isolated tickets. It’s time to stop just treading water and start changing the tide.
How is Agentic AI Changing Phishing Response?
Agentic phishing response is the use of autonomous AI agents that don't just follow static playbooks, but reason across multiple data points to cluster, investigate, and remediate threats. Instead of reacting to each report individually, the Cortex AgentiX Email Investigation Agent uses agentic workflows to analyze all reported emails together, uncovering campaigns, patterns, and risks before recommending next steps.
The Email Investigation Agent is one of many system agents provided out of the box with Cortex AgentiX to serve as a Cortex expert assistant in automating the full lifecycle of email-borne threat response.

Does the Email Investigation Agent Automate Triage?
Phishing today is dynamic, AI-generated, and scales faster than any manual team can track. When an attacker casts a wide net, static rules and one-by-one triage just don’t have enough to keep up.
The Email Investigation Agent uses agentic workflows to analyze all reported emails as a collective whole. Instead of reacting to every single “nibble”, it reasons across these reports, clusters related activity, and guides the SOC toward the right decision, with the option to automate execution.
1. Campaign-Level Clustering
All user-reported emails are analyzed together, not in isolation. The Email Investigation Agent can help SOC teams:
- Group related reports into campaign clusters
- Identify shared infrastructure, language patterns, and attacker intent
- Surface a single, coherent view instead of fragmented alerts
Outcome: Analysts see the entire phishing campaign, rather than hundreds of fragmented alerts.
2. Agentic Investigation & Reasoning
Through natural-language interaction, analysts can trigger deep investigation. The Email Investigation Agent:
- Traverses reported emails and enriches data with additional context
- Validates whether it’s a true phishing campaign or just benign noise
- Produces a clear verdict with supporting evidence
Outcome: Accelerate decision-making from double digits to under ten minutes, backed by clear data instead of guesswork.
3. Guided Remediation (Optional Automation)
The assistant recommends exactly what should be done and you can choose to approve the plan or let the agent execute automatically. As part of our enterprise-grade guardrails for agents, we have flagged sensitive actions to require human-in-the-loop approval. This feature is also available for custom agents you build should you decide to have a human step in as part of the workflow.
- Identify full blast radius across the tenant
- Recommend actions: quarantine, IOC blocking, policy updates
- Allow analyst-driven or automated execution
Outcome: Control stays with the SOC, but machine-speed response comes from automation.
4. Continuous Learning Loop
Every interaction refines the system and improves future analysis. It learns from analyst decisions and feedback to:
- Refine clustering and verdict accuracy over time
- Strengthen signal quality from user reports
Outcome: A system that gets smarter with use, not noisier.
The Cortex Advantage: Why is Integrated Phishing Response More Effective?
This isn’t just another standalone phishing tool in your tackle box. Because the Email Investigation Agent operates within the Cortex platform, XSIAM and XDR users benefit from visibility across the entire platform, which enables:
- Cross-domain context – It combines email data with identity and endpoint signals.
- Deeper validation – It doesn’t just ask if an email arrived—it checks if the user took the bait. Was there a click? Was the device compromised?
- Coordinated response – Remediation actions extend far beyond the inbox to the entire enterprise.
We aren't just automating phishing triage; we are turning user-reported noise into actionable campaign intelligence.
Watch the video below to see the Email Investigation Agent in action.