OneTrust alternatives.Start with Aona.

Aona secures employee AI use with prompt and file protection. Compare its controls, coverage and deployment with the other products on your shortlist.

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A buyer’s starting point

Secure employee AI use without losing the practical detail.

Compare the control point, evaluation path and practical fit for the employee AI problem in front of you.

Aona protects employee use of third-party AI tools on managed devices, including the prompt and upload path.

Aona AI

For employee AI security

Workforce AI Security that enforces at the moment of use, not only in a register: a browser plugin for Chrome, Edge, Firefox and Safari plus a native endpoint app that inspects prompts to ChatGPT, Copilot and Claude desktop at submit, hard block with no user override, layout-preserving DOCX, XLSX and PDF redaction on upload, real-time coaching, and a first signal within hours of deployment. SOC 2 Type II, self-serve 30-day trial, deployed with IT's existing tooling.

Best for: Any organisation whose employees use ChatGPT, Copilot, Claude or Gemini and that needs its AI policy enforced on the device and evidenced with per-team trends, not only documented.

The complete list

A closer look at your shortlist.

See who each option is best for. Expand a row for the full product overview.

Aona AIBuilt for employee AI securityAny organisation whose employees use ChatGPT, Copilot, Claude or Gemini and that needs its AI policy enforced on the device and evidenced with per-team trends, not only documented.
Workforce AI Security that enforces at the moment of use, not only in a register: a browser plugin for Chrome, Edge, Firefox and Safari plus a native endpoint app that inspects prompts to ChatGPT, Copilot and Claude desktop at submit, hard block with no user override, layout-preserving DOCX, XLSX and PDF redaction on upload, real-time coaching, and a first signal within hours of deployment. SOC 2 Type II, self-serve 30-day trial, deployed with IT's existing tooling.
OneTrustOrganisations that need privacy, vendor risk and AI governance records managed in one GRC platform.
Trust intelligence platform with modules spanning privacy, GRC, third-party risk, consent, DSAR and AI governance (AI inventory, assessments and a regulatory research library). Its control point is the register and the assessment, not the employee's prompt.
Microsoft PurviewMicrosoft 365 estates that want Copilot and Microsoft 365 data governed inside the Purview licensing model.
Microsoft's data security and compliance suite. Its AI controls run in the browser (the Purview extension is required for Chrome endpoint DLP on Windows), prompt and response visibility for third-party AI sites requires E5-class licensing plus pay-as-you-go billing, and locally installed AI apps are reached through a network data security path (Entra Global Secure Access or a SASE partner, partly in preview).
Harmonic SecurityOrganisations that want prompt-text redaction and nudges across browsers and desktop AI clients, bought by demo or through AWS Marketplace.
Browser extension plus a desktop client (Claude Desktop, ChatGPT Desktop, Cursor, Codex, Claude Code, GitHub Copilot, Ollama) with real-time prompt redaction and an MCP gateway. Packaged as three tiers (Explore, Guide, Command), demo-led, with no self-serve trial as of September 2026.
Prompt SecurityOrganisations that want employee and application AI security bought together through the SentinelOne Singularity platform.
GenAI security platform from SentinelOne, built into the Singularity platform: employee AI controls with anonymisation and coaching, an LLM firewall for applications, and an AI endpoint agent for local LLMs and MCP servers (February 2026). Sold by demo, with no self-serve trial as of September 2026.
Nightfall AIOrganisations whose first need is DLP across SaaS data at rest, with AI uploads governed by the same detectors.
DLP platform with SaaS API connectors (Slack, Microsoft 365, Google Drive, Salesforce), a browser extension (Chrome, Edge, Arc, Brave, Vivaldi, Comet), macOS and Windows endpoint agents installed via MDM, and an MCP Gateway in early access (September 2026). Data is stored in the United States, and evaluation runs as a proof of value rather than a self-serve trial.

Deployment context

How Aona fits your security stack.

Aona secures employee AI use alongside your existing security tools. See how its device-level controls fit with the other products in your stack.

Read the full Aona vs OneTrust comparison →

Aona is not a GRC system of record: DPIAs, DSARs, vendor risk and the regulatory research library stay in OneTrust.
Microsoft Entra is the production identity path, with general OIDC and SAML. No native Okta connector or SCIM provisioning today.
Aona has a SOC 2 Type II examination report. No FedRAMP, IRAP or ISO 27001 today.
Coverage needs the Aona plugin or endpoint app on the device. There is no agentless or network-only mode, so personal and unmanaged devices are out of scope.

Your questions

OneTrust alternatives, answered.

Answers to help you build your shortlist.

What are the best OneTrust alternatives in 2026?

Alternatives to OneTrust for securing employee AI use include Aona AI, Microsoft Purview, Harmonic Security, Prompt Security and Nightfall AI. Aona AI is built for securing employee AI use: it inspects the prompt and the upload on the device, in the browser and in ChatGPT, Copilot and Claude desktop apps, with hard block, layout-preserving file redaction and real-time coaching, and it starts with a self-serve 30-day trial. OneTrust's control point is the register and the assessment; enforcing a policy on the prompt an employee types is outside that control point, which is where it stops.

Why is Aona AI a strong alternative to OneTrust?

OneTrust records and assesses AI use across a GRC platform; Aona enforces the policy on the device. Aona's browser plugin and native endpoint app inspect the prompt at submit in Chrome, Edge, Firefox and Safari and in ChatGPT, Copilot and Claude desktop apps, block hard with no user override, redact DOCX, XLSX and PDF uploads with the layout intact, coach the employee in real time, and report policy violation trends per team with a first signal within hours. It ships EU AI Act, ISO 42001, SOC 2, ISO 27001, HIPAA and GDPR policy templates, exports to Microsoft Sentinel via OCSF, is SOC 2 Type II certified, and starts with a 30-day self-serve trial.

Where does Aona stop, compared with OneTrust?

Scope, stated plainly: Aona is not a GRC system of record: DPIAs, DSARs, vendor risk and the regulatory research library stay in OneTrust. Microsoft Entra is the production identity path, with general OIDC and SAML. No native Okta connector or SCIM provisioning today. Aona has a SOC 2 Type II examination report. No FedRAMP, IRAP or ISO 27001 today. Coverage needs the Aona plugin or endpoint app on the device. There is no agentless or network-only mode, so personal and unmanaged devices are out of scope. These lines are carried from our own Aona vs OneTrust comparison, so you can evaluate with eyes open.

Is there a free trial to evaluate these alternatives?

Aona offers a 30-day self-serve free trial covering AI adoption analytics, shadow AI discovery, security and compliance monitoring and real-time employee coaching; it deploys with IT's existing tooling and shows a first signal within hours. Check OneTrust's site for the evaluation path of its AI governance modules; Prompt Security is sold by demo through SentinelOne, and Nightfall runs a proof of value in place of a self-serve trial, as of September 2026.

How do I choose between these AI security vendors?

Start with Aona for employee AI use: it governs the prompt and the upload on the device, in the browser and in native desktop AI apps, with hard block, file redaction and coaching, and it is live within hours. Keep OneTrust for the register, the assessments, vendor risk and the regulatory research library, and add Aona to enforce what the register says. OneTrust stops at the record: an AI inventory and an assessment describe the intended use, and the prompt an employee sends to ChatGPT this afternoon is governed only by a control that sits on the device.

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Scope a guided 30-day trial around your managed devices, supported prompt and file controls, and the outcomes your team needs to review. Or book a demo to work through the shortlist.

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SOC 2 Type II report · Free 30-day guided trial