Vinci4D closed a $250 million Series B at a $1.5 billion valuation, co-led by Advent International.
Same story, shown in Top Deals《Vinci raises $250M Series B to speed chip design with physics-driven AI》
Dublin-based LearnUpon has secured a €44.5 million ($50 million) growth financing facility from London-based Claret Capital Partners. The debt structure lets LearnUpon avoid equity dilution, and the company says the money will go toward its new Agentic Learning Platform, international expansion, and strategic acquisitions. LearnUpon, founded in 2012, previously acquired Berlin-born Courseau, which rebranded as CreateUpon in May.
Why it matters: The debt facility shows how a legacy LMS vendor is funding its pivot to agentic learning without diluting existing shareholders.
North Cloud Holdings raised $60 million in a Series B round led by PeakSpan Capital.
Why it matters: North.cloud's $60M Series B and its TokenFlow product show how AI infrastructure spending is becoming a FinOps problem, with early customers reporting $400M in combined savings.
Thoma Bravo-owned Proofpoint agreed to acquire data security company Varonis for about $6.3 billion in cash.
Why it matters: The deal shows how AI data access risk is reshaping cybersecurity M&A, with Proofpoint paying a 52% premium to fold Varonis into one platform.
nFOX Lab launched the nFOX Platform for evaluating, deploying and monitoring open models.
Descope released Agentic Identity Hub 3.0, adding an Agent Onboarding Portal and native MCP gateway integration to give companies an identity and policy layer over employee-built AI agents. The update replaces static client secrets with short-lived private-key assertions and enforces policy on every request. Descope says the hub handles authentication for hundreds of MCP servers and over 1 million agent identities.
Global cybersecurity and privacy startups raised $6.8 billion in Q3 2026, up about 50% from the prior quarter and tied for the highest quarterly total in years.
Why it matters: Crunchbase data shows Q3 2026 cybersecurity funding hit $6.8B on bigger rounds, with AI and identity security startups taking most of it.
Ten European startups are building defenses against AI-driven cyber threats, spanning agent security.
CedarDB announced limited availability of CedarDB Cloud at TechCrunch Disrupt, adding a fully managed.
Duvo, founded by Rohlik's Tomas Cupr, raised a $32M Series A led by Balderton Capital.
Same story, shown in Top Deals《Duvo raises $32M Series A led by Balderton Capital》
Groundcover launched agent-to-agent observability, letting Claude, Codex.
Huskeys Security launched Profiling, a beta capability that maps which parts of a company's web applications the business depends on and applies per-path security controls. The profile feeds Huskeys' Hardening Loop, which watches profiled paths for abuse and recommends fixes that customers must approve before going live. Huskeys has raised $35 million, including a $27 million Series A led by Blackstone Innovations Investments in September.
Duvo, the enterprise AI operating system founded by Rohlik's Tomas Cupr, raised a $32M Series A led by Balderton Capital with Index Ventures.
Why it matters: Duvo's $32M Series A and its founder's account of why most agentic AI deployments stall offer a concrete look at enterprise automation economics.
Harmonic Security raised a $50 million Series B led by Crosspoint Capital Partners.
Why it matters: Harmonic's $50M Series B lands as two rivals get acquired, so readers can weigh whether standalone AI-usage security survives or gets absorbed into larger platforms.
London-based offensive security startup CodeWall launched with $4 million in pre-seed funding led by Osney Capital for autonomous AI agents that attack enterprises the way an outside hacker would. In an earlier engagement, an agent with no credentials gained read and write access to the production database behind McKinsey's Lilli AI platform within two hours. CodeWall pitches the ongoing testing as a replacement for the once- or twice-a-year penetration test.
Harmonic Security raised $50 million in an oversubscribed Series B led by Crosspoint Capital Partners.
Same story, shown in Top Deals《Harmonic Security raises $50M Series B led by Crosspoint Capital》
Vast Data is pushing back on best-of-breed agentic pipelines, arguing stitched-together tools lose sync between source data.
Chainguard unveiled Chainguard Harness, a vulnerability-hunting service using frontier models such as Anthropic's Claude Mythos 5.1.
Pluto Security raised $42 million, about a fifth as a seed round led by TLV Partners and the rest a Series A led by Jump Capital.
Why it matters: Pluto Security's $42M raise shows how AI agent discovery and policy-based containment are becoming a distinct enterprise security category.
Workday is making Sana its new Workday Home, letting employees work directly with the agentic experience to handle tasks.
Flexport and Freightmate AI settled a trade secrets lawsuit over roughly 2,000 confidential shipping documents.
Akuity launched Fleet Management for its Kargo Enterprise platform.
Cloudflare announced Friday it is acquiring Deno, the startup behind the Deno runtime.
Why it matters: Cloudflare's acquisition of Deno shows how a runtime startup's open source Workers implementation can shape a major cloud platform's developer model.
Hilt emerged from stealth with $4.2 million in seed funding led by Array Ventures.
Why it matters: A founder profile that traces how a hedge fund's high-frequency trading problem shaped Hilt's kernel-level anomaly detection, useful for readers weighing security tooling for AI agents.
Modelence, a Y Combinator startup from this summer's batch, raised a $3 million seed round led by Y Combinator.
Why it matters: Modelence's diagnosis that the fragile part of vibe coding is the glue between services, not any single service, gives readers a concrete way to judge infrastructure bets in this crowded space.
Supabase raised $100 million at a $5 billion valuation, just months after closing $200 million at a $2 billion valuation. On TechCrunch's Equity podcast.
Why it matters: Supabase's decision to decline large enterprise contracts while raising at a $5B valuation offers a concrete look at how infrastructure startups are positioning themselves in the vibe-coding boom.
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