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AI governance platform comparison guide, updated June 2026

Compare AI governance platforms for
shadow AI, DLP, and compliance

16 stack-by-stack comparisons to help enterprise security and compliance teams choose the right AI governance platform. See where Zscaler, Microsoft Purview, Nightfall, Harmonic Security, CrowdStrike, and others stop, and where AI governance starts.

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Find your path

Pick the stack you already own

Most CISOs are not asking "what is the best AI governance vendor." They are asking "do I need one if I already have these tools." Pick the closest match.

If you have SSE or SASE
Zscaler, Netskope, Palo Alto Prisma

You catch network-level traffic. Aona adds the browser layer your SSE cannot reach.

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If you have Microsoft 365
Purview, Defender, Entra

Purview governs data inside the M365 estate. AI tools live outside it.

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If you have Cloud DLP
Nightfall, Polymer, Symantec

DLP scans for sensitive data. Governance scans for risky AI behaviour.

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If you have DSPM
Varonis, Cyberhaven, Metomic

Data security posture stops at the data layer. AI usage starts where DSPM ends.

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If you have EDR
CrowdStrike, SentinelOne

EDR watches the endpoint. AI usage happens above it, in the browser.

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If you have CSPM
Wiz, Lacework, Orca

Cloud posture manages your infrastructure. AI risk is a human-layer problem.

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If you have GRC tooling
OneTrust, TrustArc

GRC documents policy. Aona enforces it at the moment of action.

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Choosing your first AI-native vendor
Harmonic, Prompt Security, Lakera

Comparing pure-play AI security platforms. Here is how Aona stacks up.

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The map

Where every layer of your stack stops, and where AI governance starts

One matrix. Seven stack categories you may already own, eight controls that AI risk requires. Print it, paste it into a board memo, or use it to score your own gaps.

AI governance stack map8 controls × 7 stack categories
Control
SSESecure Service EdgeZscaler, Netskope, Palo Alto
DLPData Loss PreventionNightfall, Polymer, Symantec
EDREndpoint DetectionCrowdStrike, SentinelOne
CASBCloud Access BrokerNetskope CASB, MS Defender for Cloud Apps
PurviewMicrosoft 365 governancePurview, Defender, Entra
IAMIdentity & AccessOkta, Entra ID, Ping
AonaBrowser pluginChrome, Edge, Firefox
AonaNative endpoint appWindows + macOS
Discover
Shadow AI app discovery
Which AI tools are employees using
Per-prompt content classification
What data is sent to the model
Native desktop AI app interception
ChatGPT, Copilot, Claude desktop apps
AI agent inspection
Process, network, MCP server discovery
Off-network and BYOD coverage
Personal devices, unmanaged endpoints
Govern
Real-time user coaching
Inline guidance at the moment of action
AI-specific policy templates
Acceptable use, model allowlist, data classes
Policy violation trend reporting
Per team, per tool, over time
Protect
Block unsanctioned AI apps
At the network, the page, or the prompt
Inline prompt redaction
Strip PII or secrets before they hit the model
Layout-preserving file redaction
DOCX and Excel uploads kept readable after redaction
Covers itPartial, narrow scopeOut of scopeBased on vendor docs as of April 2026.

Where do you sit on this map?

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Want a PDF for your board memo?

Same map, formatted for one-page print. We email it once, no follow-up sequence.

Not sure which fits

Three questions, sixty seconds. We will route you to the right comparison.

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All AI governance comparisons

Choose the comparison that matches your current stack

Most buyers do not replace an entire security stack. They need to know which AI governance gap remains after their existing tools do their job. These routes help security, compliance, and IT teams compare Aona against the products they already own or are evaluating.

M365 / Purview

Aona vs Microsoft Purview

Compare Microsoft 365 data governance with browser-level prompt coaching, shadow AI discovery, and AI usage evidence.

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SSE / SASE

Aona vs Zscaler

See where network-level SSE app visibility stops and workforce AI governance starts. Covers the Zscaler AI Security Suite.

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AI-native

Aona vs Harmonic Security

Both are AI-native platforms. Compare by stack fit, geography, trial path, and endpoint coverage depth.

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AI-native

Aona vs Prompt Security

Evaluate prompt visibility, coaching, employee behaviour change, and governance reporting side by side.

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AI-native

Aona vs WitnessAI

Compare endpoint coverage across browser, native desktop, and agent against network-layer AI visibility.

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Cloud DLP

Aona vs Nightfall AI

Nightfall covers SaaS DLP broadly. See how endpoint AI governance complements its API-based connectors.

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Cloud DLP

Aona vs Polymer

Polymer governs SaaS collaboration apps. Aona governs AI tools on the endpoint. Complementary layers.

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DSPM

Aona vs Varonis

Varonis governs your data at rest. Aona governs what employees do with that data in AI tools.

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DSPM

Aona vs Cyberhaven

Cyberhaven traces data lineage. Aona intercepts AI usage at the endpoint before data leaves.

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DSPM

Aona vs Metomic

Metomic governs data inside SaaS apps. Aona adds the AI usage control layer on top.

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EDR

Aona vs CrowdStrike

Falcon AIDR adds AI detection to EDR. Aona is purpose-built Workforce AI Security from the ground up.

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CSPM

Aona vs Wiz

Wiz secures cloud AI infrastructure. Aona governs the people using AI tools on managed endpoints.

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GRC

Aona vs OneTrust

OneTrust is your GRC system of record. Aona enforces AI policy at the moment of employee action.

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AI-native

Aona vs Lakera

Lakera secures AI you build. Aona governs AI your employees use. Different problems, complementary layers.

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Concept

AI governance vs DLP

Understand why traditional DLP is necessary but not sufficient for browser prompts, AI tools, and agent workflows.

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Tool

Find your fit quiz

Answer a few stack questions and route security, compliance, or IT buyers to the most relevant comparison.

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AI governance explained

What is an AI governance platform?

An AI governance platform is enterprise software that gives security and compliance teams visibility and control over how employees use AI tools, tools like ChatGPT, Claude, Microsoft Copilot, Gemini, and hundreds of others that live outside traditional security controls.

Traditional tools were not designed for this surface. DLP scans for sensitive data at file egress, not at the moment an employee types a customer record into a chat window. SSE platforms like Zscaler see which AI domains are being accessed at the network layer, but cannot see the content of what is typed. Microsoft Purview governs the Microsoft 365 estate, not third-party AI tools. EDR platforms watch the operating system, not the browser tab where AI usage happens.

A purpose-built AI governance platform fills four gaps: shadow AI discovery (finding AI tools IT does not know about), prompt-level DLP (blocking sensitive data before it reaches an AI model), real-time employee coaching at the moment of risk, and compliance reporting that maps to frameworks like the EU AI Act and ISO 42001. These are not features that can be bolted onto legacy tools, they require an agent or plugin that sits between the employee and the AI tool, at the browser or native app layer.

Use the comparisons above to see exactly where your current stack stops and where an AI governance solution starts. Run the stack quiz to get a personalised recommendation.

FAQ

AI governance platform FAQ

An AI governance platform gives enterprises visibility and control over how employees use AI tools, tools like ChatGPT, Claude, Copilot, and Gemini that live outside your existing security stack. Traditional controls (DLP, SSE, EDR, GRC) were not designed for the browser prompt surface. An AI governance platform specifically intercepts prompts before they leave the browser, coaches employees at the moment of risk, discovers which AI tools are in use across the workforce, and tracks whether behaviour is improving over time. It does not replace your existing tools, it covers the gap they leave.
It depends on the question you are answering. Zscaler shows you which AI apps are being used at the network level. Purview governs data inside Microsoft 365. Neither sees what an employee actually types into ChatGPT, coaches them at the moment of action, or measures whether their behaviour is improving over time. If those three things matter to you, you need a layer those tools do not provide. See the Zscaler comparison or the Purview comparison.
Four things separate purpose-built AI governance solutions from retrofitted ones: (1) whether prompt inspection happens at the browser or only at the network; (2) whether the platform coaches the employee in real time or just blocks and alerts; (3) how quickly it surfaces signal, hours, not weeks; and (4) whether it covers native AI desktop apps (ChatGPT for Windows, Claude desktop) and not just browser-based tools. The AI governance vs DLP comparison covers the distinction in depth.
DLP scans content for sensitive data patterns (credit cards, PII, source code) and blocks them at egress. AI governance is different in three ways: it inspects prompts before they leave the browser (not files at egress), it coaches the user instead of just blocking, and it reports on behaviour change over time, not incident counts. Most enterprises eventually run both, with DLP catching what governance misses and governance preventing what would otherwise hit DLP.
Aona deploys as a browser plugin and Windows native endpoint app through Microsoft Intune. One PowerShell command, no network routing changes, no SSE config changes, no Purview reconfiguration. macOS at enterprise scale is manual install today. Most pilots are live within an hour and surface their first signal the same business day. Pilots run side-by-side with whatever you already have. There is no commitment and no integration to unwind if you decide it is not for you.
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