The Five Levels of Security Autonomy: A Model for Cybersecurity Awareness Month  

By Ambuj Kumar, CEO and co-Founder, Simbian [ Join Cybersecurity Insiders ]
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Nearly 60% of security leaders say the alert volume is crushing their teams. Over half are buried in false positives. Then there is the talent gap, with 4.76 million unfilled security roles.  And the cost of failure hasn’t changed: the average breach still costs $4.4M.  

The truth is, human security analysts were never meant to fight at this scale or velocity. They excel at judgment, strategy, and connecting the dots. Machines excel at pattern recognition, repetition, and acting in milliseconds. The modern SOC demands a new division of labor that lets humans and autonomous machines each do what they do best.

For Cybersecurity Awareness Month, here are the recommended steps to achieve autonomous security .

Implementing Autonomous Security is not an overnight process. As a new technology and new approach, it needs time to evolve and finds its place in the organization’s security operations, just as existing security teams, tools, and processes did. For best results I have seen organization follow a five-level model. with each level defining scope, guardrails, and governance. Progression is measured by what the system is allowed to do on its own, how it proves safety, and how quickly it hands control back to humans when uncertainty or risk rises.

1. Manual Operations is where human analysts handle detection, investigation, and response from start to finish, with automation limited to dashboards, queries, and one-off scripts. This is where most security teams operate today, even in security savvy organizations. 

At this stage, teams face long alert queues, inconsistent playbook use, and uneven evidence capture. Human processing becomes the bottleneck at scale, with alert fatigue and false positives piling up.  

2. Assisted Response  

At the Assisted Response stage, AI agents gather context, propose actions, and generate artifacts such as tickets, queries, and containment plans – essentially performing the grunt work for the security team Execution still requires human approval.  

Core capabilities include automated enrichment, root-cause hypotheses, and recommended actions with confidence scores. A dry-run mode shows the intended commands and their blast radius before any action is taken.  

Guardrails keep agents read-only by default, with immutable evidence logs to preserve trust. Example outputs range from auto-built case files with timelines and indicators to drafted firewall rules or identity revocation plans.  

To progress beyond this stage, organizations must achieve low dispute rates on agent recommendations, meet approval SLAs, and ensure analysts consistently trust the agent’s justifications.  

3. Pre-Approved, Low-Risk Autonomy   

At this stage, AI agents execute narrow, reversible actions within strict policy-as-code constraints. No human approval is required, as long as the action falls within predefined risk boundaries.   

Core capabilities include least-privilege access tokens, canary changes with limited scope before global rollout, verified rollback with time-bounded guarantees, and automatic evidence packaging.  

Guardrails are critical—agents operate within allowlists and denylists, follow rate limits, and are scoped to specific environments such as a segment, tenant, or project. A manual kill switch remains in place for immediate overrides.   

To advance beyond this stage, organizations must maintain a verified fix rate that meets targets, achieve containment time SLOs for 99% of incidents, and demonstrate zero material incidents from autonomous actions over a defined period.   

4.  Conditional Autonomy   

At this stage, the system runs complete playbooks when risk is clearly bounded, escalating to humans only when uncertainty or potential impact grows.  Core capabilities include dynamic risk scoring with thresholds, staged enforcement (shadow → canary → full), cross-tool coordination (EDR, IdP, cloud, email), and clear “why this, why now, what if not” explanations.   

Guardrails require dual control for identity or network-wide changes, strict separation of duties, and continuous policy testing in a simulation sandbox.  Advancement is measured by rising risk-adjusted automation rates and declining human hand back—without losing precision.  

5.  Mission Autonomy   

At the highest level, goal-driven agents operate 24×7 with mission objectives such as “minimize lateral movement” across identity, endpoint, network, cloud, and SaaS—extending to edge locations with intermittent connectivity.   

They plan over long horizons with memory, act across multiple domains, enforce policies on-device where latency, power, or sovereignty demand it, and adapt through closed-loop learning with drift detection.  

Guardrails include policy-as-code as the governing framework, continuous assurance via pre-deployment tests and invariants, and independent audit pipelines producing immutable, signed logs mapped to SOC 2/ISO/NIST controls.   

How To Adopt the Model—Quarter by Quarter  

 For best results, enterprise security teams should view these steps as a multi-quarter journey. Deliberate progress through all five levels gives time for the organization to gain confidence in the power of autonomous security and to adapt security processes to a new operating model.  

 

Why We Need Autonomy Now 

Autonomy isn’t a finish line—it’s a discipline. When done right, it elevates humans to the high ground: strategy, simulation, and sharp-eyed supervision. The agents? They handle the 3 a.m. chaos, executing reversible, policy-locked moves without breaking stride.  

Vulnerabilities are being exploited faster. Ransomware is more common. Third-party breaches have doubled. Every trend line is climbing. The way forward isn’t more headcount or yet another dashboard—it’s a direct path from manual operations to safe, smart autonomy.   

To move forward and stay secure, organizations need to make the most of both their knowledgeable staff and their autonomous machines. A systematic, step by step approach to autonomous security provides the best path for organization to protest themselves in an AI powered world.   

 

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