LLMs for security operations

Large language models are reshaping the SOC — accelerating triage, investigation, documentation and configuration review. Here is where LLMs genuinely help, their limits, and how to use them safely.

6 min readUpdated June 2026

Why LLMs fit security operations

Security operations is drowning in text and structured data: alerts, logs, configurations, threat intelligence and documentation. Large language models are built to read, summarize, correlate and explain exactly this kind of information — which is why they have moved so quickly into the SOC.

Used well, LLMs compress hours of reading and interpretation into minutes, helping understaffed teams keep up with volume they could never process manually.

High-value LLM use cases in the SOC

  • Summarizing and enriching alerts to speed triage
  • Explaining complex configurations and findings in plain language
  • Drafting incident timelines, reports and documentation
  • Correlating signals across logs and tools during investigation
  • Reviewing firewall and system configurations for risk
  • Generating specific remediation steps from findings

Limitations to respect

LLMs can be confidently wrong, and a general model with no grounding may produce plausible but inaccurate security advice. For high-stakes work, LLMs should be constrained to their domain, grounded in real data, and kept under human oversight.

Purpose-built tools that wrap LLM reasoning in domain structure — like firewall semantics — are far more reliable than pasting sensitive data into a general chatbot, which also raises clear data-handling concerns.

Deploying LLMs safely

Treat LLM output as expert input to be validated, not gospel. Prefer tools grounded in your domain and data, keep humans in the decision loop, and for sensitive inputs choose EU-first or self-hostable solutions so data stays under your control.

FirewallScan reflects this approach for firewall review: it applies LLM-grade analysis within a structured FortiGate model, EU-first and self-hostable, so you get the upside of AI without surrendering control of sensitive configurations.

Frequently asked questions

Stop reviewing firewall rules by hand

FirewallScan reads your FortiGate configuration with AI and turns it into prioritized, fixable findings. Book a demo to see it on your own setup.