Company profile
Nightfall AI
AI-native DLP across SaaS, browser, endpoint, genAI, and MCP.
- Status
- PrivateListed on CyberMerge Startup Radar (private vendors), snapshot Sep 29, 2026
- Valuation
- Undisclosed
- Latest funding
- Undisclosed
- HQ
- San Francisco / US (Startup Radar)
- Last updated
Categories
Funding & valuation
Funding: Undisclosed — no round recorded in the CyberMerge Funding Tracker.
Latest signals
- Startup Radar · AI Security · snapshot Sep 29, 2026 3 Aug 2026: Forbes AI 50 customer push. No 2026 equity round found. Source
- Startup Radar · Data Security · snapshot Sep 22, 2026 3 Aug 2026: 10% of Forbes AI 50 as customers; new business +241% YoY that quarter. 5 Aug 2026: State of Agentic Data Security report (88.9M MCP events). Last disclosed equity: Series B (~$60M total, Tracxn). Source
Competitors
Same-category peers from CyberMerge Research maps, Startup Radar and What's The Use tags.
- CyeraPrivateAI-native DSPM/DLP with Agent Guardian and endpoint controls — unified data + identity trust layer so…
- Concentric AIPrivateSemantic DSPM plus training-data curation (via Acante) and shadow GenAI.
- CyberhavenPrivateLineage-based DSPM+DLP+IRM into genAI prompts and agents.
- SentraPrivateCloud DSPM plus AI data-readiness and Shadow AI DLP (browser) so copilots only reach approved data.
- TeleskopePrivateDSPM that classifies, decides, and remediates (redact/quarantine) for AI-era data.
- AntimatterPrivateClassify and redact sensitive data so it is safe for AI/ML (training-data hygiene).
- StracPrivateAgentless redaction across SaaS/cloud/browser/GenAI/MCP (YC).
- MINDPrivateAI-native DLP + insider risk: autonomous agents discover, classify, detect, remediate, and prevent sensitive…
- IslandPrivateEnterprise browser plus AI Protect: prompts, tool calls, Island MCP Gateway — agentic control plane for…
- EnigmataPrivateEnigmata Cipher: patent-pending crypto so AI can train, search, and analyze enterprise data while it stays…
- BigIDPrivateData discovery, classification, DSPM, and privacy/DSAR platform spanning hybrid, SaaS, and AI data estates;…
- EvervaultPrivateDeveloper-first encryption and orchestration for highly sensitive data (payments/PCI vaulting without…
Figures appear only as recorded in CyberMerge data, with source and date. “Undisclosed” means no published figure in our data. Editorial, not investment advice. Last updated . Spot an error? Tell the desk.