ASAI Security ResearchIndependent public-source research
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Vendor research

Nightfall AI

Review what this vendor says publicly, the security topics those statements may support, what remains unverified, and factual company context. This is not an assessment of product effectiveness or fit.

Company scale

Growth stage
?Growth stageA provider with at least $25M in known funding or at least 51 employees that has not reached the scaled threshold.This is a company-scale signal, not a product-quality rating.

A descriptive band derived from retained public revenue, workforce, ownership, or funding signals.

Company scale is separate from product features, effectiveness, and suitability.
  • $60.3M known funding
  • 51-200 employees
  • Founded 2018
  • Private-company revenue and profitability not sourced

Company context

Private, VC-backed

More mature data-security/data loss prevention (DLP) vendor than most AI-native entrants; AI positioning builds on established data loss prevention (DLP) motion

Research coverageCounts describe available public research, not product quality.View details
Vendor statements
21 records
Source-checked records
13
Evaluation requirements
19 in this research model
Unresolved requirements
5

Company intelligence

Who is behind the product

Company facts provide evaluation context. Each signal is kept separate because tenure, workforce, funding, and hiring answer different questions.

Founded2018
HeadquartersSan Francisco, California
OwnershipPrivate, VC-backed
Employees51-200
Capital and scaleIndependent company

Nightfall AI

Known funding
$60.3M

Series B · $40M · 2022-08-10

Operating scale
More mature data-security/DLP vendor than most AI-native entrants; AI positioning builds on established DLP motion
Backing context
At least $60.3M raised from WestBridge Ventures, Venrock, Pear VC, Bain Capital Ventures, and others
Named investors

WestBridge Capital · Next Play Capital · Bain Capital Ventures · Venrock · Pear VC

Founders and leadership2 people listed
  • Rohan Sathe

    Co-Founder & CEO

    Current role listed
  • Isaac Madan

    Co-Founder

    Current role listed
Operating signalsRead each signal separately

There is no combined company rating. The company-scale label uses stated size thresholds; product features and effectiveness require separate evidence.

Company tenure
2018
Workforce scale
51-200
Hiring activity
Not displayed

A current count requires a retained, clickable source URL.

Core company facts have supporting public sources.

Company sources and research limits6 linked public sources

Only company facts supported by retained public sources are shown. Missing values remain unknown, and company scale does not establish product effectiveness.

Company sourceGaebler funding profilePublic funding profile lists San Francisco headquarters, private status, and at least $60.3M raised.Company sourceNightfall homepageNightfall positions itself around AI data security and DLP.Company information sourceNightfall company pageSupports the company facts shown in this profile.Company information sourceNightfall Series B announcementSupports the company facts shown in this profile.Company information sourceNightfall founder historySupports the company facts shown in this profile.Company information sourceNightfall AI LinkedIn company profileSupports the company facts shown in this profile.

Solution areas

These areas describe how the vendor approaches enterprise AI security. They do not establish product quality or fit.

AI data protectionCore product focusSensitive-data discovery and accessCore product focusEndpoint AI application controlsRelated coverageCoding-agent and developer workstation securityRelated coverageAI gateway and tool-connection controlsRelated coverage

Buyer context

  • Relevant where sensitive-data protection and data loss prevention (DLP) are central to the AI security ask.
  • Buyer diligence should compare AI controls against existing enterprise data loss prevention (DLP), cloud access security broker (CASB), browser, and endpoint controls.

Related frameworks

Where public vendor statements relate to framework requirements

11 related frameworks · expand when needed
These links show related requirements for further review. They do not establish framework compliance or control implementation. Open the full framework crosswalk →
Current referenceCIS Critical Security Controls
Requirements with public support
13
Related requirements
11
References
58
Review related requirements →
Current referenceCSA AI Controls Matrix
Requirements with public support
13
Related requirements
14
References
71
Review related requirements →
Current referenceISO/IEC 42001
Requirements with public support
13
Related requirements
12
References
35
Review related requirements →
Current referenceMITRE ATLAS
Requirements with public support
13
Related requirements
12
References
71
Review related requirements →
Current referenceNIST AI RMF Playbook
Requirements with public support
13
Related requirements
13
References
39
Review related requirements →
Current referenceNIST Cybersecurity Framework 2.0
Requirements with public support
13
Related requirements
12
References
39
Review related requirements →
Informative referenceOWASP Agentic AI Security Solutions Landscape
Requirements with public support
13
Related requirements
12
References
31
Review related requirements →
Informative referenceOWASP GenAI Security Solutions Landscape
Requirements with public support
13
Related requirements
11
References
27
Review related requirements →
Current referenceOWASP Top 10 for Agentic Applications
Requirements with public support
13
Related requirements
13
References
31
Review related requirements →
Current referenceOWASP Top 10 for LLM Applications
Requirements with public support
13
Related requirements
13
References
25
Review related requirements →
Commercial Metadata
Requirements with public support
1
Related requirements
3
References
3
Review related requirements →

Evaluation questions

What to verify beyond public claims

These questions come from security requirements with some public support. Use them as starting points for demonstrations, documentation review, customer references, or a buyer-observed pilot.

  1. 01
    Unapproved AI use discovery

    An unmanaged AI app used by a test user appears in discovery inventory with user, app or domain, and timestamp.

  2. 02
    Unapproved AI use discovery

    The test user's AI usage activity can be filtered or exported with AI-specific context.

  3. 03
    AI-feature discovery in business applications

    A software as a service (SaaS) app with an embedded AI feature appears in the software as a service (SaaS) AI inventory with app, provider, and feature context.

  4. 04
    AI-feature discovery in business applications

    The inventory shows which users, data classes, integrations, or providers are associated with the AI-enabled software as a service (SaaS) app.

  5. 05
    Controls for unapproved AI use

    A policy blocks, coaches, redirects, or contains a test interaction with an unapproved AI destination.

  6. 06
    Controls for unapproved AI use

    The control event records policy reason, user, destination, action, and timestamp.

  7. 07
    Sensitive-data protection for generative AI

    Sensitive prompt, response, or file test data is detected and classified during an AI interaction.

  8. 08
    Sensitive-data protection for generative AI

    A policy redacts, blocks, coaches, or records the sensitive data event before it leaves the approved path.

Detailed security-requirement research18 evaluation items · supporting evidence and open research are shown separatelyExpand
Security requirementPublic supportRelated frameworksWhat to verify
AI-feature discovery in business applications

Inventory software as a service (SaaS) applications that embed AI features, expose enterprise data to AI capabilities, or create AI-driven data movement.

Limited public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A software as a service (SaaS) app with an embedded AI feature appears in the software as a service (SaaS) AI inventory with app, provider, and feature context.

Browser and business-application controls

Apply session-level controls in browser and software as a service (SaaS) workflows, including uploads, downloads, copy/paste, sharing, and identity-aware access decisions.

Strong public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A session-level policy controls upload, download, copy, paste, sharing, or form submission in a browser or software as a service (SaaS) workflow.

Generative AI application security

Protect enterprise-built large language model (LLM) applications, retrieval-augmented generation (RAG) systems, prompts, application programming interfaces (APIs), model calls, tools, and production runtime behavior.

Limited public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test large language model (LLM) application event records prompt, application programming interface (API), model, retrieval, or tool interaction context.

AI governance, risk, and compliance

Inventory AI systems and owners, translate policy and regulatory obligations into governed workflows, assess risk, manage approvals and exceptions, and retain audit evidence across the AI lifecycle.

Strong public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test AI system is registered with owner, intended use, risk tier, lifecycle state, and applicable obligations.

AI assurance and adversarial testing

Test models, applications, retrieval-augmented generation (RAG) systems, and agents before release and continuously thereafter using adversarial probes, evaluation suites, attack simulation, and security release gates.

No supporting claim found
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A controlled test campaign exercises an AI model, application, or agent against named AI attack classes.

AI model and supply-chain security

Discover, inventory, scan, validate, and monitor models, datasets, model artifacts, registries, dependencies, and AI development assets for tampering, unsafe serialization, provenance gaps, or malicious content.

Strong public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test model or AI artifact appears in inventory with origin, version, hash or provenance, and deployment context.

AI gateway, tool-connection, and runtime controls

Mediate model, agent, tool, application programming interface (API), connector, and Model Context Protocol (MCP) traffic through an enforcement point that applies identity-aware policy, content controls, routing, rate limits, and auditable allow or deny decisions.

Strong public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A model, agent, tool, or Model Context Protocol (MCP) request passes through a named policy enforcement point.

Non-human identity and service-account security

Inventory, least privilege, credential hygiene, monitoring, and lifecycle management for non-human identities, workloads, service accounts, application programming interface (API) keys, and machine credentials.

No supporting claim found
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test service account, agent identity, or non-human identity appears in inventory with owner and privileges.

AI agent identity and permissions

Register AI agents as accountable identities, bind them to owners and delegating users, authorize task- and tool-level access, issue short-lived credentials, review access, and revoke or suspend agent authority.

Limited public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test agent is registered with a unique identity, accountable owner, purpose, and permitted resources.

AI coding-agent and workstation security

Discover and govern AI coding agents, integrated development environment (IDE) assistants, command-line agents, skills, hooks, extensions, Model Context Protocol (MCP) tools, filesystem access, commands, network activity, secrets, and software-supply-chain actions on developer workstations and build environments.

Strong public support
NIST AI RMF PlaybookNIST Cybersecurity Framework 2.0CIS Critical Security ControlsISO/IEC 42001OWASP GenAI Security Solutions Landscape

A test coding agent and its skills, hooks, extensions, or Model Context Protocol (MCP) tools appear in an attributable inventory.

Licensing model

Publicly discoverable commercial model such as per user, per seat, per app, per token, per integration, or enterprise platform license.

No supporting claim found
Commercial MetadataCSA AI Controls Matrix

The vendor can map the sourced commercial model to per-user, per-seat, per-app, per-token, per-integration, or platform packaging.

Public sources

Vendor statements and quoted evidence

Showing the first 6 of 21 source records. Open additional records only when needed.

Open all vendor evidence →
AI governance, risk, and complianceSource checkedStrong public support for this requirement

Nightfall claims agent and Model Context Protocol (MCP) inventory, user and device attribution, usage mapping, audit-ready reports, full request and response logs, approval status, and consistent generative AI governance across software as a service (SaaS), endpoints, and agentic workflows.

Export audit-ready reports for compliance teams.
AI assurance and adversarial testingNo supporting claim found

Nightfall Model Context Protocol (MCP) and agent security materials reviewed did not provide a public product claim for automated adversarial testing, repeatable attack suites, model or agent red teaming, or release-gate evaluation.

No quoted source text is recorded for this claim.
AI model and supply-chain securitySource checkedStrong public support for this requirement

Nightfall claims a registry of more than 20,000 Model Context Protocol (MCP) servers, real-time configuration scanning, version-change monitoring, tool-capability analysis, dependency drift detection, and automatic quarantine of malicious updates before rollout.

Continuous scanning flags new capabilities and auto-quarantines the update for review before rollout.
AI gateway, tool-connection, and runtime controlsSource checkedStrong public support for this requirement

Nightfall claims protocol-level interception, full request visibility, granular server and tool control, sensitive-data detection, auto-redaction, blocking, anomaly detection, and quarantine across Model Context Protocol (MCP) prompts, files, application programming interface (API) calls, responses, and tools.

Monitor every MCP tool call in real-time.
AI agent identity and permissionsSource checkedLimited public support for this requirement

Nightfall claims employee and device attribution, agent-to-system access mapping, allowlisted Model Context Protocol (MCP) servers, granular tool authorization, and blocking of unapproved tools and connections.

Map which employees use which agents, what systems they access, and track usage patterns over time.
AI coding-agent and workstation securitySource checkedStrong public support for this requirement

Nightfall claims controls for Cursor, VS Code, Claude, and custom Model Context Protocol (MCP) integrations including source-code and file inspection, embedded-secret redaction, server and tool allowlisting, version monitoring, request logging, and malicious-update quarantine.

Automatically discover and catalog all MCP servers across Claude Desktop, Cursor, VS Code, and custom integrations.
Show 15 additional evidence records
AI cost and usage controlsNo supporting claim found

Nightfall AI and Model Context Protocol (MCP) security materials reviewed did not provide a public product claim for AI usage-cost attribution, token or spend metrics, budgets, chargeback, or cost-aware model routing.

No quoted source text is recorded for this claim.
Unapproved AI use discoverySource checkedStrong public support for this requirement

Nightfall claims Shadow AI security across generative AI apps including ChatGPT, Copilot, Gemini, Deepseek, Claude, Perplexity, and others.

Nightfall provides comprehensive Shadow AI security across any generative AI app including ChatGPT, Copilot, Gemini, Deepseek, Claude, Perplexity and more.
AI-feature discovery in business applicationsSource checkedLimited public support for this requirement

Nightfall claims its AI-native data loss prevention (DLP) platform prevents sensitive data exposure and exfiltration across software as a service (SaaS), endpoints, email, browsers, and AI apps.

Nightfall is the AI-native DLP platform that prevents sensitive data exposure and exfiltration across SaaS, endpoints, email, browsers, and AI apps.
Unapproved AI use discoveryExcluded from evidenceNo supporting claim found

Nightfall claims comprehensive shadow-AI security coverage across major generative AI applications including ChatGPT, Copilot, Gemini, Claude, and others.

Nightfall provides comprehensive Shadow AI security across any generative AI app including ChatGPT, Copilot, Gemini, Deepseek, Claude, Perplexity and more.
Approved AI usage monitoringNo supporting claim found

No public claim found for this capability.

No quoted source text is recorded for this claim.
Controls for unapproved AI useSource checkedStrong public support for this requirement

Nightfall claims it automatically blocks secrets, credentials, PHI, PCI, and other confidential information through file uploads and clipboard actions.

Nightfall automatically blocks secrets, credentials, PHI, PCI, or other confidential information via file uploads or clipboard copy/paste actions.
Sensitive-data protection for generative AISource checkedStrong public support for this requirement

Nightfall claims real-time visibility and control over sensitive data movement across AI agents, Model Context Protocol (MCP) servers, endpoints, and software as a service (SaaS), preventing data that should not leave.

Control data movement across AI agents, MCP servers, endpoints, and SaaS—without slowing innovation. Nightfall gives you real-time visibility and control over how sensitive data moves — and prevents what shouldn't leave. Legacy data security can't see or stop this.
Action-taking agent monitoringSource checkedStrong public support for this requirement

Nightfall claims unknown Model Context Protocol (MCP) servers can be discovered across endpoints and surfaced in a dashboard with policy defined to block Model Context Protocol (MCP) servers.

Unknown MCP servers discovered running locally across 12 endpoints > full inventory surfaced in the dashboard. Policy defined to block MCP servers.
Agent-to-agent communication securitySource checkedLimited public support for this requirement

Nightfall claims Model Context Protocol (MCP) gateway controls, audit logs, registry scanning, and per-tool policy enforcement for AI-agent workflows.

Every tool call flows through the gateway
Non-human identity and service-account securityExcluded from evidenceNo supporting claim found

Nightfall claims detection of secrets, credentials, application programming interface (API) keys, and certificates in generative AI prompts and AI workflows.

credentials and secrets such as passwords or API keys
Non-human identity and service-account securityNo supporting claim found

No public claim found for this capability.

No quoted source text is recorded for this claim.
Browser and business-application controlsSource checkedStrong public support for this requirement

Nightfall claims its browser plugins and endpoint agents monitor AI interactions in real-time, analyzing prompts and file uploads before they reach AI platforms.

Our browser plugins and endpoint agents monitor AI interactions in real-time, analyzing prompts and file uploads before they reach AI platforms.
Generative AI application securitySource checkedLimited public support for this requirement

Nightfall claims AI-agent security controls that intercept and block indirect prompt-injection driven tool calls.

Indirect prompt injection via email triggers Claude agent tool calls > Nightfall's hooks intercept and block before execution.
Licensing modelNo supporting claim found

No public claim found for this capability.

No quoted source text is recorded for this claim.
Approved AI platform contextNo supporting claim found

No public claim found for this capability.

No quoted source text is recorded for this claim.