Morning VC Brief丨2025.12.09

Week50 Highlights丨Harvey, 7AI, Brevo, Paradigm Health, Multifactor, Simular, Unconventional AI, Castelion

Author

eric gu
December 09, 2025

Morning VC Brief is an expert daily curation of tech and venture news. Feel free to forward; the sign-up is here

Table of Contents

01. Venture News

  • Product: An AI-powered legal copilot that automates complex tasks like contract analysis, due diligence, and litigation support for law firms and enterprises

  • Highlight: Achieved $100M+ ARR in under 3 years; serves 500+ enterprise clients including 42% of the AmLaw 100

  • Investors: Andreessen Horowitz (Lead), Sequoia, Kleiner Perkins, OpenAI Startup Fund

  • Source

2/ Cybersecurity startup 7AI raised $130M Series A at ~$700M

  • Product: An agentic security platform that deploys autonomous AI agents to handle complex security tasks like alert triage, threat investigation, and remediation at scale

  • Highlight: Raised the largest cybersecurity Series A in history; processed 2.5M+ alerts and 650K+ investigations in 10 months; reduces investigation time from hours to minutes and false positives by up to 99%

  • Investor: Index Ventures (Lead), Blackstone Innovations Investments, Greylock, CRV, Spark Capital

  • Source

3/ CRM & Marketing Platform Brevo raised $583M Series C at $1B+

  • Product: An all-in-one CRM suite integrating marketing automation, email, SMS, and customer data management to help businesses build stronger customer relationships

  • Highlight: Reached unicorn status with 600,000+ clients (e.g., eBay, H&M); profitable with $100M+ ARR; targeting €1B ARR by 2030 and aggressive US expansion

  • Investor: General Atlantic (Lead), Oakley Capital (Lead), Bpifrance, Bridgepoint

  • Source

4/ Clinical Research Platform Paradigm Health raised $78M Series B

  • Product: A clinical research platform that integrates clinical trials into routine care by embedding AI-enabled patient matching and site feasibility into everyday clinical workflows

  • Highlights: Acquired Flatiron Health’s Clinical Research Business to operate the largest oncology research network in the U.S.; supports trials for 15 of the top 20 global pharma companies; network spans 2,100 locations covering 70% of the U.S. cancer population

  • Investor: ARCH Venture Partners (Lead), DFJ Growth, F-Prime, General Catalyst, GV

  • Source

5/ Identity Security Platform Multifactor raised $15M Seed Round

  • Product: A zero-trust identity security platform utilizing post-quantum cryptography to enable safe access sharing and collaboration for both humans and AI agents without exposing credentials

  • Highlight: Provides mathematically provable security guarantees; technology includes advanced protocols like MFKDF2 to replace legacy password systems

  • Investor: Nexus Venture Partners (Lead), Y Combinator, Taurus Ventures, Honeystone Ventures, Flex Capital

  • Source

6/ Agent Platform Simular raised $21.5M Series A

  • Product: An autonomous agent platform (Simular 1.0) that operates computers like a human—seeing screens, clicking, and typing—to automate complex workflows across any application

  • Highlight: Founded by ex-DeepMind scientists; uses a "neuro-symbolic" approach to eliminate hallucinations by converting successful actions into reliable code; its "Agent S" achieved 69.9% on OSWorld benchmarks, nearing human accuracy (72%)

  • Investor: Felicis Ventures (Lead), NVentures (NVIDIA), Basis Set Ventures

  • Source

7/ Computing Platform Unconventional AI raised $475M Seed Round at $4.5B

  • Product: Developing a novel, energy-efficient AI hardware and software computing platform inspired by biological intelligence to challenge current GPU infrastructure

  • Highlight: Founded by Naveen Rao (ex-Databricks, sold Nervana to Intel); aiming for "brain-scale efficiency" to solve the power consumption crisis in AI

  • Investor: Andreessen Horowitz (Lead), Lightspeed Venture Partners (Lead), Lux Capital, DCVC, Databricks, Jeff Bezos

  • Source

8/ Defense Tech Startup Castelion raised $350M Series B

  • Product: A defense technology company developing and mass-producing affordable hypersonic weapon systems (e.g., "Blackbeard") to restore US conventional deterrence capability

  • Highlight: Achieved 25+ flight tests in just 2.5 years; building a 1,000-acre "Project Ranger" manufacturing campus in New Mexico to produce thousands of missiles per year

  • Investor: Altimeter Capital (Lead), Lightspeed Venture Partners (Lead), Andreessen Horowitz, General Catalyst

  • Source