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AI Agent Protection

Secure the code, the cloud and the cognition.

From prompt to runtime, see what your agents use, stop dangerous actions and keep the evidence of every incident.

An AI agent does far more than produce an answer. It reads data, picks tools, calls APIs, uses MCP servers and can execute real actions inside your information system.

Ariovis helps you discover that surface, protect every layer and contain dangerous behaviour before it turns into a business incident.

One chain, protected end to end

  1. Code
  2. Model
  3. Data
  4. Prompt
  5. Tool
  6. MCP
  7. API
  8. Workload
  9. Action
  10. Evidence

An AI agent is an action surface

The same component plays several roles at once inside your information system. Each role carries its own risk surface.

  • Application

    Code, dependencies, images and configuration that ship like any other service.

  • Machine identity

    Secrets, tokens and entitlements that live outside any human session.

  • Model

    A model, its versions, artefacts and prompt templates — with their provenance.

  • API client

    Outbound calls to internal and external endpoints, some of them undeclared.

  • Tool orchestrator

    MCP servers and tools whose descriptions and schemas shape its behaviour.

  • Data consumer

    Retrieval, RAG indexes and documents whose content becomes instruction.

  • Memory

    Persistent state that stores, propagates and reuses whatever it has encountered.

  • Workload

    Very real processes, files, syscalls and network flows.

  • Semi-autonomous actor

    The ability to read, write, transmit, modify or execute — that is, to produce an effect.

Protecting prompts alone leaves the code, dependencies, data, tools, APIs and the agent's real-world effect uncontrolled.

See, understand, prevent, prove

Four verbs structure the offer, in that order: discovery comes before understanding, understanding drives enforcement, and evidence makes the whole chain verifiable.

01

See

Discover the real surface, including everything that was never declared.

  • Discover sanctioned and unsanctioned agents
  • Detect Shadow AI
  • Inventory models, data, RAG, memory, tools, MCP, APIs and workloads
  • Identify owners and purposes
  • Build lineage
  • Map dependencies and exposure paths

You cannot protect what you do not know about.

02

Understand

Connect every object to its business context to prioritise what matters.

  • Connect the agent to its code, model, tools, data and environment
  • Score risk against business impact
  • Analyse exposure, privileges and sensitive data
  • Identify the blast radius
  • Tell an isolated alert apart from an attack chain

Risk is not only about the vulnerability — it is about what the agent can actually reach and execute.

03

Prevent

Act on the input, the tool call, the flow or the workload itself.

  • Mask, transform or block an input or an output
  • Stop a dangerous tool call
  • Restrict tools, parameters and destinations
  • Block an API or a network flow
  • Restrict files and processes
  • Isolate or stop a workload
  • Require human approval before a sensitive action

Useful protection acts before the effect, not only after the incident.

04

Prove

Reconstruct intent, path and effect — for the SOC as much as for audit.

  • Keep intent and context
  • Trace prompts and tool calls
  • Link the data accessed to the effects produced
  • Document blocks and exceptions
  • Produce an incident timeline
  • Export evidence to the SOC, audit or compliance

Every incident must be explainable, fixable and verifiable.

The agentic attack surface

Seven distinct surfaces stack around a single agent. A real incident almost always crosses several of them.

AI agent

Each surface has its own controls, but all of them are analysed inside a single graph.

  • Prompts and responses

    • Prompt injection
    • Jailbreak
    • Goal hijacking
    • Data leakage
    • Unsafe output
  • Tools and MCP

    • Tool poisoning
    • Misleading description
    • Hijacked parameter
    • Over-powered tool
    • Excessive action chain
    • Irreversible action
  • Data, RAG and memory

    • RAG poisoning
    • Contaminated memory
    • Secret or personal data leakage
    • Cross-tenant access
    • Excessive retention
    • Exfiltration
  • Models and supply chain

    • Tampered model
    • Malicious package
    • Vulnerable dependency
    • Unsigned plugin
    • Compromised image
    • Altered prompt template
    • Poisoned dataset
  • APIs

    • Shadow API
    • Orphan endpoint
    • Schema violation
    • Volume or cost abuse
    • Sensitive payload
    • Unknown destination
  • Runtime and cloud

    • Unexpected process
    • File access
    • Reverse shell
    • Lateral movement
    • Privilege escalation
    • Hidden egress
    • Isolation bypass
  • Governance

    • Shadow AI
    • No owner
    • Version drift
    • Unapproved environment
    • No way to explain the action

Protection from code to runtime

Controls do not start in production: they are designed in and verified at every execution.

  1. 01Design

    Frame the intent

    • Agent purpose
    • Threat model
    • Business criticality
    • Maximum autonomy
    • Required tools and data
    • Scenarios requiring human approval
  2. 02Build

    Secure the build

    • Code analysis
    • Dependencies
    • SBOM or equivalent bill of materials
    • Secrets
    • Infrastructure as code
    • Images
    • Prompt templates
    • Agent configuration
    • MCP manifests
    • Model provenance
    • Quality gates
  3. 03Deploy

    Register and frame

    • Inventory and registration
    • Owner
    • Environment
    • Tool baseline
    • Component attestation
    • Exposure analysis
    • First policies in observation mode
  4. 04Run

    Observe and contain

    • Prompts and responses
    • Tool calls
    • MCP
    • APIs
    • Data and retrieval
    • Memory
    • Processes
    • Files
    • Network flows
    • Cost and volume
    • Behavioural drift
  5. 05Respond

    Fix and verify

    • Correlation
    • Revocation
    • Containment
    • Isolation
    • Network blocking
    • Read-only mode
    • Memory freeze or restore
    • Ticket
    • Remediation
    • Runtime verification

Cognition becomes a runtime layer. It must be observable, constrained and stoppable with the same rigour as a process, a file or a network flow.

What the offer delivers

Four capability families, activated according to the maturity of your use cases and the criticality of the actions involved.

Discover and prioritise

  • AI agent and asset inventory
  • AI-SPM
  • Shadow AI
  • Owners and purposes
  • AI-BOM
  • Lineage
  • Asset graph
  • Exposure and attack graph
  • Contextual scoring
What it sees
The agents, models, indexes, tools, MCP servers, APIs and workloads actually in place.
What it detects
Unsanctioned usage, ownerless components and unexpected exposure.
What it prevents
An unknown or out-of-scope agent reaching production.
Value delivered
An actionable map and a priority queue grounded in business impact.

Secure before production

  • Code and dependencies
  • Secrets
  • Images and containers
  • IaC
  • Models and artefacts
  • Provenance
  • Prompts-as-code
  • MCP manifests
  • Automated testing
  • Red teaming
  • Regression evaluations
  • CI/CD quality gates
What it sees
What the agent is really made of: code, artefacts, prompts, manifests, models.
What it detects
Vulnerabilities, exposed secrets, unsigned components, behavioural regressions.
What it prevents
Shipping a version that fails its security tests or evaluations.
Value delivered
Defects fixed before they reach an environment where the agent can act.

Protect execution

  • Prompt & Response Firewall
  • Tool & MCP Guard
  • Agentic API security
  • Data protection
  • RAG protection
  • Memory protection
  • Runtime sandbox
  • Processes, files, syscalls and network
  • Rate, volume and cost limits
  • Blocking, isolation or revocation
What it sees
Every input, every tool call, every API call and every workload behaviour.
What it detects
Injected instructions, hijacked parameters, abnormal retrieval, suspicious runtime activity.
What it prevents
The dangerous action itself: call blocked, flow cut, workload isolated, approval required.
Value delivered
A controlled effect that does not depend on the model's own judgement.

Detect, respond and prove

  • AI Detection and Response
  • Agent takeover detection
  • Exfiltration
  • Memory contamination
  • Model tampering
  • Agent-to-agent propagation
  • SIEM and SOAR integration
  • Tickets and runbooks
  • Timelines
  • Continuous evidence
  • Compliance and audit
What it sees
The full sequence, from the triggering content to the effect produced.
What it detects
Agent hijacking, propagation, slow exfiltration, behavioural drift.
What it prevents
Recurrence: the root cause is fixed, then the fix is verified at runtime.
Value delivered
An explainable incident, traceable remediation and audit-ready evidence.

Understand how an action becomes a business incident

An isolated alert explains nothing. What matters is the path: where the instruction came from, what it triggered and what it reached.

  • Why was the agent able to act?
  • Where did the instruction come from?
  • Which data did it read or transmit?
  • Which tools, APIs and resources could it reach?
  • How do we fix the root cause for good?
  1. 01External content
  2. 02RAG context
  3. 03Prompt
  4. 04Model
  5. 05Tool selection
  6. 06MCP or API call
  7. 07Workload
  8. 08Data or resource
  9. 09Effect
  10. 10Incident
  11. 11Remediation
  12. 12Verification

The path is reconstructed from signals collected at every layer, not inferred from a single application log.

Three flagship use cases

Three common situations, handled from discovery through to evidence.

01

Securing MCP

  1. Discover servers and tools
  2. Verify owner, version and provenance
  3. Restrict which tools each agent can see
  4. Control schemas and parameters
  5. Constrain destinations and amounts
  6. Simulate an action
  7. Require human approval
  8. Observe process, file and network activity
  9. Filter the result
  10. Keep the evidence

The Prompt Firewall protects language. The MCP Guard protects the action. Runtime protection governs the real effect.

02

Protecting a coding agent

  1. Restrict accessible repositories
  2. Scan code and dependencies
  3. Detect secrets
  4. Control packages
  5. Verify images
  6. Isolate test runs
  7. Limit network access
  8. Prevent access to production
  9. Require review before merge
  10. Verify every new version
03

Protecting a customer service agent

  1. Isolate customer records
  2. Control RAG retrieval
  3. Detect hidden instructions inside documents
  4. Mask sensitive data
  5. Control the APIs being called
  6. Cap amounts and actions
  7. Require human approval
  8. Prevent exfiltration
  9. Keep a detailed record of data accessed and actions executed

Observe without blocking. Block before impact.

The level of control follows the criticality of the action, not a uniform posture applied to every agent.

  1. Observe
  2. Recommend
  3. Simulate
  4. Alert
  5. Targeted blocking
  6. Automate
  • Rollout can start with discovery alone, without changing agent behaviour.
  • Observed normal behaviour is used to build a baseline.
  • Policies are tested in simulation before they are enforced.
  • The control mode depends on the criticality of the action involved.
  • A low-risk action may simply be logged.
  • A sensitive or irreversible action can be blocked or sent for human approval.

AI projects keep moving while protections are being put in place.

Deployment models

The architecture is qualified against your sovereignty, latency and operational constraints.

Regional SaaS

Fast start, hosted in a region of your choice.

Hybrid

Centralised analysis, controls enforced close to your environments.

On-premises

Deployed inside your infrastructure, operated by your teams.

Isolated or air-gapped

Environments without outbound connectivity and with controlled updates.

Discovery can be agentless where possible. Controls that must stop an action stay close to the runtime, the gateways, the APIs or the workloads.

Capability availability per deployment model is confirmed during technical scoping.

Prove the protection on a real use case

A deliberately narrow scope, chosen to be representative and demonstrable.

  • Two agents
  • One environment
  • Three sensitive tools
  • One business workflow
  • Several attack scenarios
  • One priority risk path to close
  1. 1Frame
  2. 2Discover
  3. 3Map
  4. 4Protect
  5. 5Attack
  6. 6Decide the production trajectory

The six-week reference format is indicative: it depends on environment availability, integrations, use-case maturity and security prerequisites.

Technology integrated into your reality

Ariovis designs and integrates an agentic protection layer suited to your environment, then connects it to your IAM, cloud, API, DevSecOps and SOC capabilities.

  • Frame the use case
  • Build the threat model
  • Map agents and dependencies
  • Design the architecture
  • Integrate sources and sensors
  • Configure the controls
  • Run simulations and tests
  • Support progressive enforcement
  • Connect the SOC, SIEM and ticketing
  • Write procedures and runbooks
  • Train the teams
  • Support go-live
  • Operate and improve protections over time

You remain the owner of your environments, your data and your security decisions.

Agentic protection completes your security chain

It does not replace your IAM building blocks: it relies on them and adds control over the real effect.

  • Fine-grained authorization

    Decide whether a specific action is legitimate given the identity, the resource and the context.

    Explore the service
  • PAM

    Protect the secrets, technical accounts and privileged access the agent relies on.

    Explore the service
  • Access Management and CIAM

    Secure tokens, sessions and API access.

    Explore the service
  • Identity and Active Directory security

    Surface the groups, delegations and attack paths reachable by the agent.

    Explore the service
  • IAM strategy and Zero Trust

    Define governance, autonomy levels and the roadmap.

    Explore the service
  • Run and managed services

    Handle alerts, maintain controls and improve protections.

    Explore the service

Frequently asked questions

Why isn't a prompt filter enough?

A filter acts on language, not on effect. It sees neither the agent's code and dependencies, nor the tools it calls, the APIs it reaches, or the processes and network flows it generates. A malicious instruction can arrive through an indexed document, a tool result or contaminated memory, then produce a real action that only a control close to the runtime can interrupt.

How do you discover undeclared agents and tools?

By combining several sources: traffic to model providers, API calls, running workloads, code repositories, MCP manifests and configuration. These signals are correlated to build an inventory, identify owners and surface Shadow AI, including usage started outside the usual project framework.

How do you secure MCP servers?

By inventorying servers and their tools, verifying owner, version and provenance, then restricting which tools each agent can see. Schemas and parameters are controlled, destinations and amounts constrained, sensitive actions simulated or sent for human approval, and results filtered before they return to the agent.

How do you protect RAG and memory?

By controlling what enters indexes and memory, detecting instructions hidden inside documents, partitioning retrieval per tenant or per record, masking sensitive data, and making it possible to freeze or restore a contaminated memory.

Why protect the runtime?

Because that is where the real effect happens: a process started, a file read or written, an outbound flow. It is the last place a dangerous action can still be stopped, and the only one that proves a fix actually changed the observed behaviour.

Can we start in observation mode?

Yes, and that is the recommended starting point. Discovery and observation build a baseline, policies are tested in simulation, and blocking is enabled only where the action is sensitive or irreversible.

How do you detect a compromised or hijacked agent?

Through cross-layer correlation: an unusual instruction, an unexpected tool chain, abnormal volume or cost, access to out-of-scope data, a never-seen process or egress. Detection targets the sequence, not an isolated event.

How do you isolate or revoke an agent?

By cutting whatever produces the effect: revoking secrets and tokens, removing tools, blocking network destinations, switching to read-only, isolating or stopping the workload, freezing memory. These actions are prepared in runbooks so they can be executed without improvisation.

How do alerts integrate with an existing SOC?

Detections, timelines and evidence are exported to your SIEM and SOAR tooling, with tickets and runbooks attached. The goal is to use your existing handling processes rather than adding one more console.

How does this offer relate to IAM and fine-grained authorization?

Fine-grained authorization answers the permission question: is this action legitimate in this context. This offer answers the effect question: what the agent actually does, with which tools and data, whether its environment is sound, and how to interrupt then explain an incident. The two complement each other and both build on your IAM, PAM and Access Management foundations.

Use cases

Related Use Cases

This capability often contributes to a broader response. Explore how it works with other Ariovis services to address concrete challenges.

  • AI and automation

    Secure AI agents

    Give AI agents autonomy without losing control over their identities, their tools, their data and what they actually do.

Your agents can act. You need to control their effects.

Start from one agent, its tools and a real workflow. Ariovis helps you discover its action surface, test its risk scenarios and roll out the necessary protections step by step.