Neo emerges from stealth with $100M to secure agentic software

Neo has emerged from stealth with $100 million in funding to build a security platform for managing AI agents and other software gaining autonomous capabilities. Andreessen Horowitz and Bessemer Venture Partners led the investment, with participation from Craft Ventures and Merlin Ventures. The Boston-based company was founded by former executives and security leaders from SentinelOne, Wiz and Palo Alto Networks and plans to use the funding to expand its engineering and go-to-market teams.

The company is targeting a visibility problem created as employees adopt AI tools and established software vendors add agentic features to products already running inside the enterprise. These systems can act through a user’s existing permissions, call external tools, access data, and move across applications with limited human involvement. Gartner expects the share of enterprise applications with agentic capabilities to rise from 5% in 2025 to 40% by the end of 2026, leaving security teams with a fast-growing set of software behaviors to identify and govern.

Neo’s platform gives security operations teams an inventory of AI agents, applications, browser extensions, plugins, Model Context Protocol servers, and traditional software, adding agentic functions. It also tracks what those systems can access, links actions to the responsible user, agent, or identity, and applies policies around API access, tool calls, data movement, and automated workflows. Neo says the platform can enforce those controls directly, including blocking risky activity, malicious models, and prompts that fall outside approved policies.

Neo enters a growing market of vendors trying to help enterprises manage AI agents, non-human identities, and software that can operate with increasing independence. Its focus on the software layer gives the company a broad remit that touches application security, identity, data protection, and security operations. The $100 million launch reflects the urgency investors see around agentic security, but Neo will now need to show how its control layer fits alongside the tools enterprises already use and how quickly security teams can turn its visibility into enforceable policy.