SOAR Architectural Best Practices
Guardrails first: HITL, modular playbooks, standardized output.
Key takeaways
- Human-in-the-loop: never fully automate destructive actions — stage, pause, and prompt an analyst for approval.
- Build small reusable sub-playbooks ("Check VirusTotal") and call them from every parent playbook.
- All playbooks write to the case system (Jira/ServiceNow) in the exact same format.
Three architectural rules keep SOAR deployments safe and maintainable:
- Human-in-the-loop (HITL). A critical fail-safe. Never fully automate destructive actions — like network-isolating a domain controller or locking a CEO's account — without oversight. The SOAR should stage the response, pause, and prompt an analyst (via Slack/Teams) for a yes/no approval before execution.
- Modular playbooks. Build small, reusable sub-playbooks. Build one sub-playbook called "Check VirusTotal", then call it from your phishing playbook, your malware playbook, and your IDS playbook — fix it once, and every parent playbook inherits the fix.
- Standardized output. Ensure all playbooks write their results into the case-management system (Jira / ServiceNow) in the exact same markdown format, so analysts never have to relearn how to read a case.
This is the same discipline Vijilan applies in production: automation earns autonomy gradually, and destructive actions always keep a human decision in front of them.
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