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MoneyThe story, in brief

Depthfirst raises $80M to expand AI-native security platform and train domain-specific models

$80M. That's what depthfirst just raised to build AI-native security models across new domains.

Reporting by SiliconAngle 1 min brief
Paper-cut illustration of amber paths carrying capital toward a small coral research venture between larger buildings.
Capital and the next generation of AI ventures.AI illustration by KeyNews
The KeyNews take

Why it matters

Security startups are now building domain-specific AI models rather than layering AI on top of legacy tools. This funding shows investors believe the future of cybersecurity is models trained on security-specific data, not general-purpose LLMs.

The key facts

11 to know

  1. depthfirst raised $80M in new funding

  2. Founded in 2024

  3. Funding will support training additional security-specific models across new domains

  4. Plans to expand AI research team

  5. Focus on scaling enterprise adoption

  6. AI-native security platform (not security tools bolted onto AI)

  7. Depthfirst raised $80M

  8. Focus: AI-native security platform

  9. Use case: Domain-specific threat model training

  10. Expansion plan: AI research team scaling + enterprise adoption

  11. UNVERIFIED: Article published March 31, 2026 — future-dated or timestamp anomaly requires source verification

Go to the source

SiliconAnglesiliconangle.com

Publisher excerpt: Artificial intelligence-native security platform startup depthfirst Inc. announced today that it has raised $80 million in new funding to train additional security models across new domains, expand its AI research team and scale up enterprise adoption. Founded in 2024, depthfirst is taking on the…
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