Observed Signal · Oct 13, 2026 · Funding · Source: techcrunch · Impact: 4/5 · Sentiment: Positive
Pluto Security Raises $42M to Secure Enterprise AI Tools
Pluto Security, a startup specializing in securing enterprise AI tool usage, has announced $42 million in total funding, including an $8.5 million seed round led by TLV Partners and a $34 million Series A led by Jump Capital. The company, which emerged from stealth, helps organizations gain visibility and control over how employees use AI tools, detecting risks in AI skills, extensions, and MCP servers. Since launching sales in April, Pluto has achieved over $2 million in annual recurring revenue and secured more than 30 enterprise customers, including Oscar Health, Workato, Sixt, and AlphaSense. The startup's platform monitors AI agent behavior in real time, can intervene in ongoing sessions, and integrates with endpoint security systems. It also offers Plutonium, a free community platform for checking AI component risks, which has become a significant source of inbound leads. The new capital will fund product development, security research, and U.S. expansion.
This funding round highlights the growing need for AI security solutions within enterprises, a trend directly impacting the AdTech industry where AI tools are increasingly used for campaign management, data analysis, and personalization. It signals a growing market for security infrastructure that will shape how companies adopt and govern AI in marketing and advertising operations.
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Key Takeaways & Evidence Grounding
- Pluto Security raised $42 million in total funding, including an $8.5 million seed round led by TLV Partners and a $34 million Series A led by Jump Capital.
- The company emerged from stealth and has surpassed $2 million in annual recurring revenue with more than 30 enterprise customers.
- Pluto's platform monitors AI agent behavior in real time and can intervene in sessions to prevent risky actions.
- The startup offers Plutonium, a free platform for checking risks in AI skills and add-ons, attracting thousands of security professionals.
- Customers include Oscar Health, Workato, Sixt, and AlphaSense.
Connected Companies & Entities
5 Entities mapped“including Oscar Health, Workato, Sixt, and AlphaSense.”
“including Oscar Health, Workato, Sixt, and AlphaSense.”
“including Oscar Health, Workato, Sixt, and AlphaSense.”
“with cybersecurity firm Armis’ founders also investing.”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
AIR raises $50M to vet AI agent skills and add-ons
AI security startup AIR emerged from stealth with $50 million in seed funding across two rounds. The company offers a platform that discovers AI agents running inside enterprises, continuously vets the skills, plug-ins, and MCP servers they use, and blocks those that fail security criteria. The first round of $10 million was led by Sequoia, the second of $40 million by Greenoaks, with participation from Swish, Netz, and several angel investors. AIR claims over 20 customers, including large enterprises in regulated industries like financial services and pharmaceuticals. The funding will be used for hiring researchers and expanding go-to-market efforts in the U.S. and Europe.
Danish Startup Plinto Raises €2.9M for AI Finance Monitoring
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Palma.ai Raises $1.8M for AI Agent Governance
Palma.ai, an enterprise platform for governing AI agents at runtime, has raised $1.8 million in pre-seed funding. The round was led by D11Z, with participation from Plug and Play Ventures, Deel, Scale Now Ventures, and angel investors, including executives from Cisco and Deel. Founded by Patrick Eden (CEO) and Julian Kolbe (CTO), Palma.ai addresses the challenges enterprises face as AI agents execute tasks using the Model Context Protocol (MCP). The platform provides a single integration and governance layer, allowing administrators to centrally define policies, MCP tools, and Skills across AI models like Claude, Gemini, and Microsoft Copilot. It enforces rules at runtime and maintains a tamper-evident audit trail. The funding will be used to expand go-to-market and engineering teams to bring the platform to more enterprise customers.
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