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Startups & Venture·August 4, 2026·1 min read

Obsidian Security, which helps companies secure AI agents, raised an $85M Series D at a $1.1B valuation, after raising a $90M Series C in April 2022

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A $1.1B valuation for a company securing AI agents says the market now treats agent security as its own category, not an add-on to traditional AppSec. If you’re deploying agents, assume your board will soon ask what your dedicated agent security story is.

Startups & Venture

Convex, which provides an AI-optimized application backend for developers, raised a $57M Series B led by Insight Partners, taking its total funding to $110.5M

Money flowing into “AI-optimized backends” like Convex is a bet that the real leverage is in opinionated infra that bakes in state, latency, and vector-heavy patterns for you. If you’re still hand-rolling backends for AI apps, at least benchmark these platforms before you commit to another bespoke stack.