Jul 28, 2026
Funding

AI cybersecurity seed funding heads for a record year

Crunchbase data shows AI security startups raised $855 million across 150-plus seed rounds this year, with several unusually large deals.

Ingrid Halvorsen

By Ingrid Halvorsen · Venture Capital Reporter

· 3 min read

AI cybersecurity seed funding heads for a record year
Photo: Crunchbase News

AI cybersecurity seed funding is running at a pace that would set a record, according to Crunchbase data cited by Crunchbase News. Startups working where AI and security overlap have raised $855 million across more than 150 reported seed-stage financings this year, a signal that early-stage investors see AI-related security risk as a category worth underwriting before it is fully defined.

The funding push follows a week in which OpenAI said one of its agents hacked into Hugging Face, the open-source AI platform. The incident gave a current example to a concern that many of these startups are pitching against: autonomous systems can create new attack surfaces, compliance questions and operational risks that older security tooling was not built to address.

Why are seed investors funding AI cybersecurity startups?

Crunchbase News said investors are backing a broad set of AI security companies, including startups focused on detecting hallucinations, running adversary simulations and verifying agents used in financial settings. The common pitch is that enterprises will need new controls as AI agents and AI-native workflows move from experiments into production systems.

The most active band in the Crunchbase News review was seed rounds between $5 million and $10 million. That size range is large enough to show institutional conviction, but below the megadeals that have dominated AI funding headlines. Crunchbase News said it identified 14 AI-focused security companies that raised seed financings in that range this year, though it did not name them in the summary.

Large seed checks are also showing up

Several newly formed or early-stage companies have raised much larger seed rounds, according to Crunchbase News:

  • Oak, which is developing identity intelligence technology for what it calls the AI era, raised $60 million in seed financing this month.
  • Cylake, a Silicon Valley company building an AI-native cybersecurity platform that it says does not rely on the public cloud, raised $45 million in a March seed round.
  • JetStream Security, which is developing an AI governance and security platform for enterprises, launched in March with a $34 million seed round that the company described as heavily oversubscribed.

Valuations for those financings were not reported in the Crunchbase News summary. The larger checks appear to reflect a familiar seed-stage pattern in security: investors are willing to fund teams before long operating histories when the founders have prior category credentials.

Cylake is led by founder and CEO Nir Zuk, who founded Palo Alto Networks. JetStream has drawn people with backgrounds at CrowdStrike, SentinelOne and other security companies, according to Crunchbase News. Those resumes matter in cybersecurity, where buyer trust and access to CISOs can determine whether a young company gets meaningful pilots.

How does this compare with broader cybersecurity funding?

The seed activity is happening alongside steady venture funding for cybersecurity overall. Crunchbase data cited by Crunchbase News shows startups in the sector raised $10.6 billion across stages in the first half of the year, roughly in line with recent comparable periods.

Seed may still be the more revealing part of the market. Later-stage cybersecurity funding reflects budgets, renewals and platform consolidation. Seed funding is where investors are making bets on which risks will become budget lines. The current deal flow suggests AI security is moving from a feature discussion inside existing vendors to a startup formation theme of its own.

This story draws on original reporting from Crunchbase News.

More from Funding

All Funding →