[{"data":1,"prerenderedAt":712},["ShallowReactive",2],{"money-live:best":3,"money:best:shadow-ai-tools":4,"money-links:\u002Fen\u002Fbest\u002Fshadow-ai-tools":692},true,{"page":5},{"family":6,"bestCategory":7,"slug":8,"navLabel":9,"hubBlurb":10,"icon":11,"eyebrow":12,"h1":13,"lede":14,"seoTitle":15,"seoDescription":16,"reviewed":17,"heroChips":18,"aliases":23,"mentions":26,"sections":45,"faqs":582,"sources":604,"disclaimer":668,"related":669,"cta":689},"best","saas","shadow-ai-tools","Best shadow AI tools","Nine shadow AI detection tools scored for EU teams on Microsoft 365 and Google Workspace: OAuth-connected AI apps, prompt-level DLP, deployment and price.","bot","Best tools · Shadow AI","9 best shadow AI detection tools (2026)","The best shadow AI detection tool for EU teams on Microsoft 365 and Google Workspace in 2026 is Sentaro, which discovers AI chatbots, meeting notetakers and OAuth-connected assistants from the email and identity layer without agents, scores each grant’s scopes, revokes risky ones and blocks AI-app consent phishing; the other strong options are Push Security, Nudge Security and Reco. Sentaro does not inspect prompts: if your main concern is what employees type into AI tools, the prompt-level DLP tools below score higher on that criterion.","9 Best Shadow AI Detection Tools (2026)","The 9 best shadow AI tools for Microsoft 365 and Google Workspace in 2026: OAuth-connected AI apps, prompt-level DLP, agentless setup, price and EU hosting.","2026-10-21",[19,20,21,22],"9 tools compared","Discovery vs prompt-level DLP","Built for M365 and Workspace","Last verified 21 October 2026",[24,25],"shadow AI tools","shadow AI detection tools",[27,30,32,34,36,38,41,43],{"name":28,"type":29},"Push Security","Organization",{"name":31,"type":29},"Nudge Security",{"name":33,"type":29},"Reco",{"name":35,"type":29},"Netskope",{"name":37,"type":29},"Harmonic Security",{"name":39,"type":40},"Microsoft Purview","SoftwareApplication",{"name":42,"type":29},"Nightfall AI",{"name":44,"type":29},"Zscaler",[46,63,84,106,232,258,483,542,557,562],{"t":47,"title":48,"summary":49,"points":50},"verdict","Our recommendation","Sentaro is the best shadow AI tool for lean EU IT teams on Microsoft 365 and Google Workspace whose risk is AI apps that get access to company mail, calendars and files. It finds those apps and their OAuth grants without installing anything, revokes risky grants in one click, and blocks the consent-phishing emails and lookalike AI apps that trick people into granting access, in the same $6 product that protects the inbox. It does not read prompts. Sentaro publishes this list and ranks itself first; scores use the method below and public vendor documentation as of 21 October 2026.",[51,54,57,60],{"label":52,"text":53},"Why Sentaro wins","AI chatbots, meeting notetakers and OAuth-connected assistants are discovered and categorized, with scope-level risk per app and per user, within 15 minutes of an API connection that takes four minutes (sentaro.com\u002Fen\u002Fvectors\u002Fapp).",{"label":55,"text":56},"Stops the attack, not just the app","Lookalike apps impersonating known brands or AI tools are flagged before access is approved, and consent-phishing lures are blocked in mail flow by the Message vector.",{"label":58,"text":59},"What Sentaro does not do","It does not inspect prompts, pasted text or file uploads to AI tools, and it does not see AI use through personal accounts that never touch the work mailbox or tenant.",{"label":61,"text":62},"Consider another tool only if…","prompt-level data loss is your main risk and you can deploy a browser extension, endpoint agent or proxy (Harmonic Security, Netskope, Nightfall AI, Zscaler), or you run Microsoft 365 E5 and want Copilot oversharing controls (Microsoft Purview).",{"t":64,"items":65},"picks",[66,71,74,77,80],{"label":67,"vendor":68,"own":3,"reason":69,"to":70},"Best overall","Sentaro","Agentless discovery of AI apps and their OAuth grants, one-click revocation, and AI consent phishing blocked in the inbox.","\u002Fen\u002Fvectors\u002Fapp",{"label":72,"vendor":28,"reason":73},"Best in-browser control","Browser extension that monitors AI prompts and uploads and blocks OAuth consents, with a public price and EU data storage.",{"label":75,"vendor":31,"reason":76},"Best for AI governance programs","AI discovery, AI agent governance and AI conversation monitoring alongside full SaaS governance.",{"label":78,"vendor":37,"reason":79},"Best prompt-level DLP","Prompt-level sensitive-data detection and coaching across browser and desktop AI tools; EU hosting on request.",{"label":81,"vendor":82,"reason":83},"Best for Microsoft 365 Copilot rollouts","Microsoft Purview DSPM for AI","Oversharing assessments and DLP for Copilot using your existing sensitivity labels.",{"t":85,"title":86,"items":87},"facts","At a glance",[88,91,94,97,100,103],{"label":89,"value":90},"What we compared","Tools that detect unsanctioned AI use, scored on six weighted criteria",{"label":92,"value":93},"Tools ranked","9 (Sentaro, Push Security, Nudge Security, Reco, Netskope, Harmonic Security, Microsoft Purview DSPM for AI, Nightfall AI, Zscaler)",{"label":95,"value":96},"Two kinds of tool","Discovery and access control (which AI apps can reach your data) vs prompt-level DLP (what people send to AI)",{"label":98,"value":99},"Audience","EU organizations on Microsoft 365 or Google Workspace with a small IT team",{"label":101,"value":102},"Last verified","21 October 2026",{"label":104,"value":105},"Who wrote it","Sentaro, which is one of the ranked products (disclosed)",{"t":107,"id":108,"title":109,"intro":110,"columns":111,"groups":118,"footnote":231},"compare","summary","Shadow AI tools compared","Highest score first. Read the OAuth and prompt columns together: they show which of the two shadow AI risks each tool addresses. Vendor entries are from each vendor’s own pages, accessed 21 October 2026.",[112,113,114,115,116,117],"Score","Detection surface","OAuth-connected AI apps","Prompt inspection","Public price","EU hosting documented",[119],{"rows":120},[121,136,150,163,174,187,199,211,221],{"label":68,"cells":122,"source":135},[123,124,125,128,131,133],"8.4","Mailbox data and OAuth grants (API)",{"mark":126,"text":127},"yes","Scopes, one-click revoke",{"mark":129,"text":130},"no","Not offered",{"mark":126,"text":132},"$6\u002Faccount\u002Fmonth",{"mark":126,"text":134},"Sweden (Azure); see DPA",1,{"label":28,"cells":137,"source":149},[138,139,140,143,145,147],"7.2","Browser extension plus IdP",{"mark":141,"text":142},"partial","Consents seen in the browser",{"mark":126,"text":144},"Prompt and upload monitoring",{"mark":126,"text":146},"$5\u002Femployee\u002Fmonth",{"mark":126,"text":148},"Dublin, backup Paris",3,{"label":31,"cells":151,"source":162},[152,153,154,156,158,160],"6.5","Email metadata (API)",{"mark":126,"text":155},"OAuth and integration risk",{"mark":141,"text":157},"AI conversation monitoring",{"mark":126,"text":159},"From $750\u002Fmonth",{"mark":161},"unknown",4,{"label":33,"cells":164,"source":173},[165,166,167,169,170,172],"5.7","SSO logs, email metadata, OAuth (API)",{"mark":126,"text":168},"Core use case",{"mark":161},{"mark":129,"text":171},"Not published",{"mark":161},7,{"label":35,"cells":175,"source":186},[176,177,178,180,182,184],"4.8","Inline proxy, endpoint client, CASB API",{"mark":141,"text":179},"CASB API and SSPM",{"mark":126,"text":181},"Inline, incl. MCP calls",{"mark":129,"text":183},"Quote",{"mark":141,"text":185},"Customer-selectable, incl. EU",8,{"label":37,"cells":188,"source":198},[189,190,191,193,195,196],"4.7","Browser extension, endpoint, MCP gateway",{"mark":141,"text":192},"Identity enrichment only",{"mark":126,"text":194},"Core product",{"mark":129,"text":171},{"mark":141,"text":197},"On request",10,{"label":82,"cells":200,"source":210},[201,202,203,204,206,208],"4.2","Purview audit; browser extension plus device onboarding",{"mark":161},{"mark":126,"text":205},"Sensitive data to AI sites",{"mark":141,"text":207},"Licence plus pay-as-you-go",{"mark":161,"text":209},"Not checked",12,{"label":42,"cells":212,"source":220},[213,214,215,216,218,219],"4.1","SaaS API, endpoint and browser agents",{"mark":129},{"mark":126,"text":217},"Prompts and tool calls",{"mark":129,"text":183},{"mark":161},14,{"label":44,"cells":222,"source":230},[223,224,225,226,228,229],"3.5","Inline proxy (Zero Trust Exchange)",{"mark":129},{"mark":126,"text":227},"Prompt-level DLP",{"mark":129,"text":183},{"mark":161,"text":209},16,"“Not documented” or “Not checked” means we could not confirm it on the vendor’s public pages, not that the capability is absent.",{"t":233,"id":234,"title":235,"intro":236,"criteria":237,"note":257},"rubric","method","How we evaluated","The weights reflect a lean EU IT team on Microsoft 365 or Google Workspace. For that team the most expensive shadow AI risk is an AI app holding standing access to mail and files, and the cheapest control is one that needs no rollout to devices. Prompt-level DLP is weighted as a real criterion, because for some teams it is the main need.",[238,242,245,249,252,255],{"name":239,"weight":240,"why":241},"Deployment without agents",20,"Browser extensions, endpoint agents and traffic steering must reach every device. Small teams often cannot deploy them, and contractors and personal devices stay uncovered.",{"name":243,"weight":240,"why":244},"AI apps with access to M365 and Workspace data","Notetakers, assistants and AI plugins that connect through OAuth can read mail, calendars and drives long after the trial. Seeing the scopes and revoking grants is the control.",{"name":246,"weight":247,"why":248},"Prompt-level data protection",15,"Whether the tool sees and can block sensitive data typed, pasted or uploaded into AI tools. This is where DLP-style tools win.",{"name":250,"weight":247,"why":251},"Consent phishing and AI-app impersonation","Fake AI apps and consent-phishing emails are how attackers turn AI enthusiasm into account access.",{"name":253,"weight":247,"why":254},"Published price","A list price on the vendor’s site, so a small team can budget without a sales cycle.",{"name":117,"weight":247,"why":256},"An inventory of which AI tools your people use, and sometimes their prompts, is personal data. Where it is stored should be documented.","Editorial scores using the criteria and weights above; based on public documentation, not lab tests. Undocumented capabilities score 4–5, not zero; capabilities a product does not offer score lower.",{"t":259,"id":260,"title":261,"intro":262,"items":263},"ranked","ranking","The 9 best shadow AI detection tools, ranked","Discovery-first tools come first because of the weights above; prompt-level DLP tools follow and win their own criterion. Each entry lists its six criterion scores with the reason and source for each.",[264,290,316,344,367,392,415,440,463],{"name":68,"own":3,"tag":265,"bestFor":266,"summary":267,"score":268,"scores":269,"pros":276,"cons":281,"pricing":286,"deployment":287,"platforms":288,"hosting":289,"to":70,"source":135},"Our pick","EU teams on Microsoft 365 and Google Workspace that want to find and cut off AI apps with access to company data, without agents.","Sentaro’s App vector, live since Q3 2026, discovers and categorizes AI chatbots, meeting notetakers and OAuth-connected assistants across Workspace and 365, scores risk per scope, per app and per user, and revokes risky grants via the admin SDKs. Lookalike apps impersonating known brands or AI tools are flagged before access is approved, and the Message vector blocks consent-phishing lures in mail flow. Sentaro does not inspect prompts or uploads, and it is not a CASB, browser tool or AI Act compliance tool.",8.4,[270,271,272,273,274,275],{"criterion":239,"score":198},{"criterion":243,"score":198},{"criterion":246,"score":135},{"criterion":250,"score":198},{"criterion":253,"score":198},{"criterion":117,"score":186},[277,278,279,280],"Nothing to install: API connection in four minutes, inventory within 15 minutes","Historical adoption from existing mailbox data, not only from the install date","One-click revocation of risky AI-app grants","Blocks fake AI apps and consent phishing in the same product as phishing and BEC protection",[282,283,284,285],"Does not inspect prompts, pasted text or file uploads to AI tools","AI used through personal accounts that never touch the work mailbox or tenant leaves nothing to discover","Microsoft 365 and Google Workspace only","SOC 2 and ISO 27001 certification in progress","$6 per protected account per month, or $68 per year; first account free. Prices in USD.","API via Microsoft 365 and Google Workspace admin SDKs; no agents","Microsoft 365, Google Workspace (Slack and Teams for message scoring)","Hosted in Sweden on Microsoft Azure; subprocessors in the DPA",{"name":28,"tag":291,"bestFor":292,"summary":293,"score":294,"scores":295,"pros":303,"cons":307,"pricing":311,"deployment":312,"platforms":313,"hosting":314,"site":315,"source":149},"Best in-browser","Teams that can force-install a browser extension and want to see and control AI use at the moment it happens.","Push Security’s browser extension discovers shadow AI, monitors prompts and data input, blocks AI clipboard pastes and file uploads, detects agentic browsers and enforces AI usage policy. It also sees and blocks OAuth consents and stops browser phishing. It does not filter email. Push publishes its price and stores platform data in the EU.",7.2,[296,297,298,299,300,302],{"criterion":239,"score":162},{"criterion":243,"score":173},{"criterion":246,"score":173},{"criterion":250,"score":186},{"criterion":253,"score":301},9,{"criterion":117,"score":301},[304,305,306],"Sees AI app usage and logins as they happen in the browser","Blocks risky pastes and uploads","Public price and documented EU storage",[308,309,310],"Requires an extension on every managed browser","Desktop AI apps outside the browser not covered by the extension","No inbox protection","Standard $5\u002Femployee\u002Fmonth annual or $6 monthly (up to 500); Enterprise custom","Browser extension via MDM; “under a day” (vendor)","Most major browsers; Google Workspace, Microsoft 365 and Okta IdP integrations","EU (Dublin, backup Paris), per vendor","https:\u002F\u002Fpushsecurity.com\u002F",{"name":31,"tag":317,"bestFor":318,"summary":319,"score":320,"scores":321,"pros":330,"cons":334,"pricing":338,"deployment":339,"platforms":340,"hosting":341,"to":342,"site":343,"source":162},"Best for governance","Teams that already have email security and want AI discovery inside a broader SaaS governance program.","Nudge Security discovers SaaS and AI apps from email metadata through a read-only Microsoft 365 or Google Workspace API, with up to two years of history. It adds AI agent discovery and governance, AI conversation monitoring, OAuth and integration risk management, and detection of sensitive data shared with AI chatbots. It does not filter inbound email.",6.5,[322,323,324,326,328,329],{"criterion":239,"score":198},{"criterion":243,"score":186},{"criterion":246,"score":325},5,{"criterion":250,"score":327},2,{"criterion":253,"score":186},{"criterion":117,"score":162},[331,332,333],"Agentless, with two years of history","AI agent and conversation monitoring","Public pricing and free trial",[335,336,337],"No phishing or consent-phishing protection","$750 per month minimum on Essential","EU hosting not publicly documented","Essential $750\u002Fmonth (up to 150 users); Growth $5\u002Fuser\u002Fmonth (150–1,500); billed annually","Read-only API to Microsoft 365 or Google Workspace","Microsoft 365, Google Workspace","Not publicly documented","\u002Fen\u002Fcompare\u002Fsentaro-vs-nudge-security","https:\u002F\u002Fwww.nudgesecurity.com\u002F",{"name":33,"bestFor":345,"summary":346,"score":347,"scores":348,"pros":355,"cons":359,"pricing":171,"deployment":363,"platforms":364,"hosting":365,"site":366,"source":173},"Security teams governing AI agents and OAuth-connected AI apps across many SaaS platforms.","Reco says it discovers shadow AI from SSO logs, email metadata (signup and usage confirmations “without accessing content”) and OAuth integration monitoring, with identity baselines from Entra or Okta. It focuses on AI agents: 18 agent platforms are listed, with scoping, stale-access revocation and lifecycle ownership. Reco raised a $30M Series B in February 2026. Prices are not published.",5.7,[349,350,351,352,353,354],{"criterion":239,"score":301},{"criterion":243,"score":301},{"criterion":246,"score":162},{"criterion":250,"score":149},{"criterion":253,"score":149},{"criterion":117,"score":162},[356,357,358],"Email-metadata and OAuth discovery, close to Sentaro’s method","Deep AI-agent governance","285+ app integrations (vendor)",[360,361,362],"No phishing protection","Prices not published","EU hosting not documented","API; about 48 hours to full deployment (vendor)","285+ app integrations, 18 agent platforms; Entra and Okta","Not documented","https:\u002F\u002Fwww.reco.ai\u002F",{"name":35,"bestFor":368,"summary":369,"score":370,"scores":371,"pros":379,"cons":383,"pricing":387,"deployment":388,"platforms":389,"hosting":390,"site":391,"source":186},"Enterprises already buying SSE or SASE that want inline AI controls with DLP.","Netskope One inspects public LLM interactions inline, including MCP calls, with AI guardrails, an AI gateway and agent action control, and risk-scores apps in its Cloud Confidence Index. Traffic is steered through Netskope’s network by an endpoint client; CASB API and SSPM cover data at rest. Netskope’s Nasdaq listing in September 2025 was reported in the trade press. It is the heaviest deployment in this list.",4.8,[372,373,374,375,376,377],{"criterion":239,"score":149},{"criterion":243,"score":325},{"criterion":246,"score":198},{"criterion":250,"score":327},{"criterion":253,"score":149},{"criterion":117,"score":378},6,[380,381,382],"Deep inline DLP","Strong prompt-level controls, including MCP","Covers SaaS and IaaS broadly",[384,385,386],"Requires traffic steering through an endpoint client","No public prices","Sized for enterprise SSE buyers","Quote only","Endpoint client or network steering; API connectors for CASB API and SSPM","SaaS, IaaS and GenAI apps (ChatGPT, Gemini, Copilot named)","Customer-selectable location, including EU (vendor document)","https:\u002F\u002Fwww.netskope.com\u002F",{"name":37,"tag":78,"bestFor":393,"summary":394,"score":395,"scores":396,"pros":403,"cons":407,"pricing":410,"deployment":411,"platforms":412,"hosting":413,"site":414,"source":198},"Security teams whose main shadow AI concern is sensitive data in prompts, across browser and desktop AI tools.","Harmonic Security detects sensitive data in prompts with small language models and coaches, warns or blocks in under 200 ms, across browser AI tools, desktop AI and IDEs, and MCP agents. It deploys as a browser extension and endpoint app through Intune, Jamf, Kandji or GPO, enriched with Entra, Okta or Google Workspace identity. EU hosting is available on request. Harmonic raised a $50M Series B in October 2026.",4.7,[397,398,399,400,401,402],{"criterion":239,"score":149},{"criterion":243,"score":162},{"criterion":246,"score":198},{"criterion":250,"score":327},{"criterion":253,"score":149},{"criterion":117,"score":173},[404,405,406],"Prompt-level detection without regex rules","Covers desktop AI, IDEs and MCP agents","EU hosting on request",[408,409,385],"Needs extension and endpoint rollout","Does not manage OAuth grants","Not published (Explore, Guide, Command tiers)","Browser extension and endpoint app via MDM","ChatGPT, Claude, Gemini, Copilot, Perplexity; desktop AI and MCP agents","EU hosting on request (vendor)","https:\u002F\u002Fwww.harmonic.security\u002F",{"name":82,"tag":416,"bestFor":417,"summary":418,"score":419,"scores":420,"pros":427,"cons":431,"pricing":435,"deployment":436,"platforms":437,"hosting":438,"site":439,"source":210},"Best for Copilot","Microsoft 365 E5 organizations rolling out Copilot that want oversharing and AI data-risk controls.","Microsoft Purview Data Security Posture Management for AI reports Copilot and agent activity through Purview Audit and applies sensitivity labels, DLP and oversharing assessments. To see third-party AI sites such as ChatGPT or Gemini it needs the Microsoft Purview browser extension and devices onboarded to Purview. Licensing follows per-user Microsoft 365 E3\u002FE5 models plus pay-as-you-go for non-Microsoft AI apps.",4.2,[421,422,423,424,425,426],{"criterion":239,"score":149},{"criterion":243,"score":149},{"criterion":246,"score":186},{"criterion":250,"score":327},{"criterion":253,"score":325},{"criterion":117,"score":325},[428,429,430],"Native for Microsoft 365 Copilot","Reuses sensitivity labels and DLP policies","No new vendor for E5 customers",[432,433,434],"Third-party AI needs extension and device onboarding","Licensing is complex","Microsoft 365 only","Per-user Microsoft 365 licensing plus pay-as-you-go for non-Microsoft AI apps","Purview portal; browser extension and device onboarding for third-party AI","Microsoft 365 Copilot and agents; listed third-party AI sites","Not checked for this feature","https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fpurview\u002Fdspm-for-ai",{"name":42,"bestFor":441,"summary":442,"score":443,"scores":444,"pros":451,"cons":455,"pricing":459,"deployment":460,"platforms":461,"hosting":365,"site":462,"source":220},"Teams whose shadow AI concern is sensitive data leaving through prompts, agents and SaaS.","Nightfall AI is AI-native DLP across SaaS (Slack, Google Drive, Gmail, Atlassian, Salesforce), endpoints and browsers. It inspects prompts and tool calls, intercepts prompt injection, and runs an MCP gateway and inference hooks for Claude, Cursor and VS Code. Gmail is covered for data loss, not phishing. There is no self-serve trial; Nightfall offers a 7-day proof of value.",4.1,[445,446,447,448,449,450],{"criterion":239,"score":162},{"criterion":243,"score":149},{"criterion":246,"score":301},{"criterion":250,"score":327},{"criterion":253,"score":149},{"criterion":117,"score":162},[452,453,454],"DLP across SaaS, endpoint and AI agents","Claude, Cursor and VS Code hooks","Prompt-injection interception",[456,457,458],"Agents on endpoints and browsers","No OAuth-grant control","No public prices or free trial","Quote; Foundation and Premier editions per user per year","SaaS API plus endpoint and browser agents","Slack, Google Drive, Gmail, Atlassian, Salesforce; endpoints and browsers","https:\u002F\u002Fwww.nightfall.ai\u002F",{"name":44,"bestFor":464,"summary":465,"score":466,"scores":467,"pros":474,"cons":478,"pricing":387,"deployment":480,"platforms":481,"hosting":209,"site":482,"source":230},"Enterprises already routing traffic through Zscaler that want GenAI visibility and DLP inline.","Zscaler’s Generative AI Security gives prompt-level visibility and DLP for GenAI apps through Zscaler Internet Access, its inline proxy, plus browser isolation for risky AI apps. It acquired SPLX (AI security, November 2025) and SquareX (browser security, February 2026). It is not an email-security product and needs traffic forwarding through the Zscaler client.",3.5,[468,469,470,471,472,473],{"criterion":239,"score":327},{"criterion":243,"score":327},{"criterion":246,"score":301},{"criterion":250,"score":327},{"criterion":253,"score":149},{"criterion":117,"score":162},[475,476,477],"Inline scale","Prompt-level GenAI DLP","Browser isolation for risky AI apps",[479,457,385],"Requires Zscaler traffic forwarding","Client Connector or traffic forwarding to the inline proxy","Web and SaaS GenAI apps; Microsoft Copilot","https:\u002F\u002Fwww.zscaler.com\u002Fproducts-and-solutions\u002Fsecuring-generative-ai",{"t":484,"id":485,"title":486,"blocks":487},"prose","how-to-choose","How to choose a shadow AI tool",[488,491,494,515,517,519,521,523,525,527,529,538,540],{"t":489,"text":490},"h3","Decide which shadow AI risk you are solving",{"t":492,"text":493},"p","Shadow AI covers two different risks, and the tools split along the same line. The first is access: an AI notetaker, assistant or plugin that an employee connects to Microsoft 365 or Google Workspace through OAuth, and which can then read mail, calendars and files. The second is disclosure: an employee pasting a contract, customer list or source code into a chatbot. Discovery tools such as Sentaro, Nudge Security and Reco handle the first. Prompt-level DLP tools such as Harmonic Security, Netskope, Nightfall AI and Zscaler handle the second. Push Security covers parts of both from the browser.",{"t":495,"rows":496},"table",[497,501,505,508,512],[498,499,500],"Your main risk","What you need","Look at",[502,503,504],"AI apps with access to mail, calendars and files","OAuth-grant inventory, scope risk, revocation","Sentaro, Reco, Nudge Security",[506,507,68],"Fake AI apps and consent phishing","Email-layer blocking plus lookalike-app detection",[509,510,511],"Sensitive data typed into chatbots","Prompt inspection and inline coaching","Harmonic Security, Push Security, Netskope, Nightfall AI",[513,514,82],"Copilot oversharing in Microsoft 365","Labels, DLP and oversharing reports",{"t":489,"text":516},"Be realistic about deployment",{"t":492,"text":518},"Prompt inspection has to sit where the prompt is typed: in the browser, on the endpoint or in a proxy. That means rolling out and maintaining software on every device, and accepting that personal devices are out of scope. API-based discovery needs one admin consent and covers every account in the tenant from day one, including history. For a team of one to five people, the API route is usually the one that actually gets deployed; prompt-level DLP can follow for high-risk groups.",{"t":489,"text":520},"Know the blind spots of each method",{"t":492,"text":522},"No single method sees everything. The Verizon DBIR 2026 reports that 67% of users reach AI services from non-corporate accounts on corporate devices; use that never touches the work mailbox or tenant is invisible to email- and OAuth-based discovery, and only a browser or endpoint tool sees it. Conversely, a browser or proxy tool only sees devices it is deployed on, so an OAuth grant approved from an unmanaged phone can slip past it, and none of the browser, endpoint or proxy tools on this list filters the consent-phishing email that started it.",{"t":489,"text":524},"Shadow AI tools are not AI governance platforms",{"t":492,"text":526},"Searches for “AI governance tools” often mean model-governance platforms that inventory and document the AI systems an organization builds or deploys, for frameworks such as the EU AI Act. The tools on this page govern employee use of third-party AI. Sentaro is not a compliance tool for the AI Act; it gives you the inventory of AI tools in use, which most AI policies start from.",{"t":489,"text":528},"Questions to ask every vendor",{"t":530,"items":531},"ul",[532,533,534,535,536,537],"Do you inspect prompt content, and if so, where is it processed and stored?","Do you see AI tools connected through OAuth, with their scopes, and can you revoke them?","What do you need installed: nothing, a browser extension, an endpoint agent or a proxy client?","Do you see AI tools adopted before deployment?","What happens to a phishing email that asks an employee to approve a fake AI app?","What is the price for our headcount, and is EU hosting standard or on request?",{"t":489,"text":539},"Also considered",{"t":492,"text":541},"Microsoft Defender for Cloud Apps lists visibility into 1,000+ generative AI apps from network and endpoint telemetry, and suits E5 tenants. Cyberhaven uses data-lineage DLP to stop leaks to shadow AI. Knostic focuses on AI coding agents and MCP servers on developer machines, with public pricing. LayerX, a browser-extension AI usage tool, is reported to have been acquired by Akamai, with completion announced in July 2026 (we read the announcement via a search summary). Grip Security and Obsidian Security cover AI apps within broader SaaS security platforms.",{"t":543,"title":544,"items":545},"stats","Shadow AI by the numbers",[546,551,554],{"n":547,"l":548,"source":549,"ref":550},"45%","of employees are regular AI users on corporate devices, up from 15%","Verizon DBIR, 2026",17,{"n":552,"l":553,"source":549,"ref":550},"67%","reach AI services from non-corporate accounts on corporate devices",{"n":555,"l":556,"source":549,"ref":550},"4×","increase in shadow-AI policy violations",{"t":558,"tone":559,"title":560,"text":561},"callout","roadmap","On Sentaro’s roadmap, not live today","Sentaro’s Identity vector (credential-exposure and typosquat registration alerts) and Behavioral vector (per-user baselines, anomalous-session scoring) reach general availability in Q4 2026, included at no added cost, and are scored here as not available. Prompt inspection is not on Sentaro’s published roadmap.",{"t":563,"intro":564,"items":565},"certs","If your AI policy review asks about the vendor itself, this is Sentaro’s current status, stated exactly.",[566,571,573,577],{"label":567,"status":568,"state":569,"text":570},"SOC 2","In progress","progress","Evidence pack on request.",{"label":572,"status":568,"state":569},"ISO 27001",{"label":574,"status":575,"state":576},"Google CASA","Verified API integration","done",{"label":578,"status":579,"state":580,"to":581},"DPA and subprocessor list","Public","info","\u002Fen\u002Flegal\u002Fdpa",[583,586,589,592,595,598,601],{"q":584,"a":585},"What is the best shadow AI tool?","Sentaro, for EU teams on Microsoft 365 and Google Workspace whose concern is AI apps getting access to company data. It discovers AI chatbots, notetakers and OAuth-connected assistants without agents, scores their scopes, revokes risky grants in one click and blocks AI consent phishing, for $6 per protected account per month. If you need to inspect prompts, Harmonic Security or Push Security score higher on that criterion.",{"q":587,"a":588},"What is shadow AI?","Shadow AI is the use of AI tools at work without IT’s approval: chatbots, meeting notetakers, writing assistants and AI plugins. The risks are company data pasted into tools with unknown retention, and AI apps granted OAuth access to mailboxes, calendars and drives.",{"q":590,"a":591},"Does Sentaro inspect what employees type into ChatGPT?","No. Sentaro discovers which AI tools are in use and which OAuth grants they hold, scores the risk and can revoke grants, but it does not inspect prompts, pasted text or uploads. Prompt-level DLP needs software where the prompt is typed: a browser extension, endpoint agent or proxy, as Harmonic Security, Push Security, Netskope, Nightfall AI and Zscaler provide.",{"q":593,"a":594},"How do you detect shadow AI without installing agents?","Through the email and identity layer. AI tool signups leave welcome and verification emails, and connected assistants leave OAuth grants in Microsoft 365 or Google Workspace. Sentaro, Nudge Security and Reco read these over API. Sentaro connects in four minutes with no agents and shows historical adoption within 15 minutes.",{"q":596,"a":597},"Are shadow AI tools the same as AI governance tools?","No. AI governance platforms document and assess the AI systems an organization builds or deploys, often for the EU AI Act. Shadow AI tools find and control employee use of third-party AI. Sentaro is not an AI Act compliance tool; it provides the inventory of AI tools in use that an AI policy needs.",{"q":599,"a":600},"Can Microsoft 365 detect shadow AI on its own?","Partly. Microsoft Purview DSPM for AI covers Copilot activity, and sees third-party AI sites only with the Purview browser extension and devices onboarded to Purview. Microsoft Defender for Cloud Apps lists 1,000+ generative AI apps from network and endpoint telemetry. Both depend on Microsoft 365 licensing tiers and device rollout.",{"q":602,"a":603},"What is AI consent phishing?","An email that persuades an employee to approve a malicious or lookalike AI app, which then receives OAuth access to their mail or files. A password reset does not remove the grant. Sentaro blocks consent-phishing lures in mail flow and flags lookalike apps impersonating known AI tools before access is approved.",[605,608,611,614,617,619,621,624,627,630,633,635,637,640,643,645,647,650,653,656,659,662,665],{"label":606,"url":607},"Sentaro: pricing","https:\u002F\u002Fsentaro.com\u002Fen\u002Fpricing",{"label":609,"url":610},"Sentaro: Data Processing Agreement and subprocessor list","https:\u002F\u002Fsentaro.com\u002Fen\u002Flegal\u002Fdpa",{"label":612,"url":613},"Push Security: pricing, features, EU storage (accessed 2026-10-21)","https:\u002F\u002Fpushsecurity.com\u002Fpricing",{"label":615,"url":616},"Nudge Security: pricing and product list (accessed 2026-10-21)","https:\u002F\u002Fnudgesecurity.com\u002Fpricing",{"label":618,"url":343},"Nudge Security: product overview (accessed 2026-10-21)",{"label":620,"url":366},"Reco: home page (accessed 2026-10-21)",{"label":622,"url":623},"Reco: shadow AI discovery use case (accessed 2026-10-21)","https:\u002F\u002Fwww.reco.ai\u002Fuse-cases\u002Fshadow-ai-discovery",{"label":625,"url":626},"Netskope: CASB, inline and API modes (accessed 2026-10-21)","https:\u002F\u002Fwww.netskope.com\u002Fproducts\u002Fcasb",{"label":628,"url":629},"Netskope: EU GDPR document, data storage location (via search result)","https:\u002F\u002Fwww.netskope.com\u002Fwp-content\u002Fuploads\u002F2025\u002F06\u002F2025-04-EU-General-Data-Protection-Regulation-EU-GDPR.pdf",{"label":631,"url":632},"Harmonic Security: pricing and deployment (accessed 2026-10-21)","https:\u002F\u002Fwww.harmonic.security\u002Fpricing",{"label":634,"url":414},"Harmonic Security: home page, EU hosting FAQ (accessed 2026-10-21)",{"label":636,"url":439},"Microsoft Learn: Data Security Posture Management for AI (accessed 2026-10-21)",{"label":638,"url":639},"Microsoft Learn: DSPM for AI considerations and licensing (accessed 2026-10-21)","https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fpurview\u002Fdspm-for-ai-considerations",{"label":641,"url":642},"Nightfall AI: pricing (accessed 2026-10-21)","https:\u002F\u002Fwww.nightfall.ai\u002Fpricing",{"label":644,"url":462},"Nightfall AI: platform (accessed 2026-10-21)",{"label":646,"url":482},"Zscaler: Securing generative AI (accessed 2026-10-21)",{"label":648,"url":649},"Verizon Data Breach Investigations Report 2026 (as cited by Sentaro)","https:\u002F\u002Fwww.verizon.com\u002Fbusiness\u002Fresources\u002Freports\u002Fdbir\u002F",{"label":651,"url":652},"Microsoft: Defender for Cloud Apps product page (accessed 2026-10-21)","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fsiem-and-xdr\u002Fmicrosoft-defender-cloud-apps",{"label":654,"url":655},"Akamai: completes acquisition of LayerX (July 2026, via search result)","https:\u002F\u002Fwww.akamai.com\u002Fnewsroom\u002Fpress-release\u002Fakamai-completes-acquisition-of-secure-enterprise-browser-provider-layerx",{"label":657,"url":658},"Knostic: pricing (accessed 2026-10-21)","https:\u002F\u002Fwww.knostic.ai\u002Fpricing",{"label":660,"url":661},"Cyberhaven: platform (accessed 2026-10-21)","https:\u002F\u002Fwww.cyberhaven.com\u002F",{"label":663,"url":664},"Tech Funding News: Harmonic Security $50M Series B (October 2026)","https:\u002F\u002Ftechfundingnews.com\u002Fharmonic-security-raises-50m-series-b-crosspoint-capital-ai-governance\u002F",{"label":666,"url":667},"SiliconANGLE: Reco raises $30M (February 2026)","https:\u002F\u002Fsiliconangle.com\u002F2026\u002F02\u002F10\u002Freco-raises-30m-lock-ai-apps-autonomous-agents\u002F","Sentaro publishes this list and ranks itself first; scores use the method above and public vendor documentation as of 21 October 2026. Product capabilities, prices and ownership change; check each vendor’s current documentation. Trademarks belong to their owners. Corrections: contact Sentaro.",[670,673,675,677,680,683,686],{"label":671,"to":672},"Shadow AI with Sentaro","\u002Fen\u002Fsolutions\u002Fshadow-ai",{"label":674,"to":70},"How the App vector works",{"label":676,"to":342},"Sentaro vs Nudge Security",{"label":678,"to":679},"Best shadow IT discovery tools","\u002Fen\u002Fbest\u002Fshadow-it-discovery-tools",{"label":681,"to":682},"Best OAuth app security tools","\u002Fen\u002Fbest\u002Foauth-app-security",{"label":684,"to":685},"EU AI Act","\u002Fen\u002Fcompliance\u002Feu-ai-act",{"label":687,"to":688},"Pricing","\u002Fen\u002Fpricing",{"title":690,"note":691},"Find every AI tool connected to your tenant.","Connect Microsoft 365 or Google Workspace over API in four minutes. No agents. The first account is free.",{"links":693,"only":709,"labels":711},[694,695,698,701,704,706],{"label":684,"to":685},{"label":696,"to":697},"Google Workspace","\u002Fen\u002Fplatforms\u002Fgoogle-workspace-email-security",{"label":699,"to":700},"Microsoft 365","\u002Fen\u002Fplatforms\u002Fmicrosoft-365-email-security",{"label":702,"to":703},"Phishing","\u002Fen\u002Fsolutions\u002Fphishing",{"label":705,"to":672},"Shadow AI",{"label":707,"to":708},"AI Governance","\u002Fen\u002Fglossary\u002Fai-governance",{"6":710},[672,700,697,708,685,703],{"\u002Fen\u002Fcompare\u002Fsentaro-vs-nudge-security":676},1792761725040]