How AILeakShield compares with Microsoft Purview, Netskope, Zscaler, Palo Alto Networks, Cisco, Check Point, Island, Akamai (LayerX), Harmonic Security, Prompt Security, Nightfall and Cyberhaven for shadow AI discovery, AI data loss prevention and AI governance. Every competitor claim links to the vendor's own documentation.
Every product here solves part of the same problem. We compare them on four jobs: Discover the AI in use, Control which tools are allowed, Protect the data that goes into approved tools, and Comply with evidence for leadership and auditors. We also compare how each one is deployed and bought, because a proxy, a new browser or an E5 license changes the cost of getting started.
Yes means documented. Partial means limited, an add-on, a separate product or preview. Not documented means we could not find it in the vendor's public documentation; it does not mean the vendor has tested and failed it.
Scroll the table sideways on a phone. Hover a cell on desktop for the detail; each comparison page has the full notes and sources.
| Capability | AILeakShield | Microsoft Purview | Netskope | Zscaler | Palo Alto Networks | Cisco | Check Point | Island | Akamai (LayerX) | Harmonic | Prompt Security | Nightfall | Cyberhaven |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Discover | |||||||||||||
| AI websites used in the browser | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Partial | Yes |
| Desktop AI apps and coding tools | Yes | Partial | Yes | Partial | Partial | – | Yes | Partial | Partial | Yes | Yes | Partial | Yes |
| AI apps connected to Microsoft 365 (OAuth) | Yes | Yes | Partial | Yes | Partial | Yes | Partial | – | – | – | – | – | – |
| AI agents | Yes | Yes | Yes | Partial | Yes | Partial | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Control | |||||||||||||
| Block or restrict unapproved AI tools | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Partial | Partial |
| Revoke AI app access in Microsoft 365 | Yes | Yes | – | Yes | Partial | Yes | Partial | – | – | – | – | – | – |
| Protect | |||||||||||||
| Inspect prompts for sensitive data | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Inspect files uploaded to AI | Yes | Yes | Yes | Yes | Yes | Partial | Yes | Partial | Yes | Yes | – | Yes | Yes |
| Warn and require a typed justification | Yes | Yes | Yes | – | – | – | – | – | – | Yes | – | Yes | Partial |
| Mask or redact sensitive values | Partial | – | – | – | Partial | – | Yes | Yes | Yes | – | Yes | Yes | Yes |
| Custom sensitive terms | Yes | Yes | Yes | Yes | Yes | Yes | – | Partial | Partial | Partial | Partial | Yes | Yes |
| Comply | |||||||||||||
| Built-in NIST AI RMF assessment | Yes | Partial | – | – | – | – | – | – | – | – | – | – | – |
| AI policy library with staff acknowledgment | Yes | – | Partial | – | – | – | – | – | – | – | – | – | – |
| Deploy and buy | |||||||||||||
| No proxy, SSE or new browser required | Not required | Partly | Required | Required | Required | Required | Not required | Not required | Not required | Not required | Not required | Not required | Not required |
| Multi-tenant console for MSPs | Yes | Partial | Yes | Yes | Partial | Yes | Yes | Partial | – | Partial | Partial | Partial | – |
Microsoft-native data security for E5 organizations. Deepest for Microsoft 365 Copilot and Microsoft agents.
Read the comparison →Full SASE platform with a very large generative AI app catalog. Traffic is steered through the Netskope cloud.
Read the comparison →Zero trust proxy at large scale with granular per-app AI controls. Traffic is forwarded through Zscaler.
Read the comparison →Network, SASE and browser enforcement with a mature DLP engine. Needs Palo Alto NGFW, Prisma Access or Prisma Browser.
Read the comparison →SSE and DNS-scale enforcement, with Umbrella OAuth app revocation. AI Access needs Secure Access traffic steering.
Read the comparison →Broad employee AI discovery with real-time redaction and a published per-user price. Desktop coverage in the Enterprise tier.
Read the comparison →Enterprise browser that controls the whole session, with AI and MCP governance. Users work in Island or the Island Extension.
Read the comparison →Browser extension security with the broadest browser coverage, including agentic browsers. Now part of Akamai.
Read the comparison →Context-aware detection with small language models, across browser, desktop and MCP. Built for enterprise security teams.
Read the comparison →Broad AI security from SentinelOne: employee AI, code assistants, MCP and homegrown AI apps.
Read the comparison →AI-native DLP that covers exfiltration well beyond AI, with redaction and MCP controls in its Premier edition.
Read the comparison →Data lineage DLP and insider risk with integrated AI and agent security. Endpoint sensor plus browser extension.
Read the comparison →We would rather you buy the right tool. Large platforms such as Netskope, Zscaler, Palo Alto Networks and Cisco secure all web and app traffic, not only AI. Microsoft Purview goes deepest on Microsoft 365 Copilot for E5 customers. Data security platforms such as Nightfall and Cyberhaven cover email, SaaS and USB exfiltration as well as AI. Island and Akamai secure the whole browser session. Several vendors, including Harmonic, Prompt Security, Nightfall and Check Point, offer language-model detection, redaction on third-party AI sites or MCP gateways. AILeakShield is the better fit when you want AI governance specifically, without a proxy, E5 or a new browser, delivered directly or by your IT provider.
If you do not have Microsoft 365 E5, or you want AI governance without onboarding every device to Defender, AILeakShield covers AI discovery, blocking, prompt and file inspection, Microsoft 365 AI app governance and a NIST AI RMF assessment in one subscription.
No. Proxy and SASE platforms such as Netskope, Zscaler and Cisco Secure Access can control AI, but AILeakShield does it with a browser extension, log import and a Microsoft 365 connection, with no traffic steering or TLS inspection.
Several vendors have MSP programs. AILeakShield was built for the channel, with a multi-tenant partner console, per-client isolation, policy templates, RMM-based discovery, no seat minimum and distribution through TD SYNNEX.
We publish them ourselves, so we have tried hard to be fair: competitor information comes from vendor documentation checked October 21, 2026, each page lists where the competitor is stronger, and "Not documented" never means "No". Vendors can contact us with corrections.
AILeakShield discovers all the AI in your environment, blocks the AI tools you have not approved, and keeps sensitive data out of the prompts sent to the ones you have.
