Ossprey Secures US$2.65 Million Pre-Seed to Protect Open-Source Software
Jul 22, 2026 | By Oliver Bennett

UK-based software supply chain security startup Ossprey has raised US$2.65 million in an oversubscribed pre-seed funding round. The investment was led by Episode 1 Ventures, with participation from Osney Capital and Octopus Ventures.
SUMMARY
- Ossprey raised US$2.65 million in an oversubscribed pre-seed funding round.
- The funding was led by Episode 1 Ventures with support from Osney Capital and Octopus Ventures.
- Ossprey helps businesses detect malicious code hidden in open-source software.
The company will use the funding to improve its product, hire more engineering and commercial staff, and expand into international markets as it grows its business.
"Software development has fundamentally changed," said Nate Dunning, our CEO. "AI is enabling organisations to build software faster than ever before, but it's also dramatically increasing the amount of code entering production and creating new opportunities for attackers to hide malicious software inside trusted open source packages. We founded Ossprey because existing approaches weren't designed for the pace modern engineering teams now operate at."
About Ossprey
Founded by Nate Dunning and David Read, Ossprey develops software supply chain security technology that helps companies find harmful or malicious code hidden in open-source software packages before they are used in live systems.
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Its platform continuously scans open-source software for malware. This helps development teams keep their software secure without slowing down the software development process.
The company was founded to address the growing security risks in software supply chains, especially as AI is making software development faster and more complex.
Today, around 90% of enterprise software uses open-source components. While these components help developers build software quickly, they can also create security risks.
Cybercriminals are increasingly hiding malicious code inside trusted open-source packages. Ossprey helps organizations detect these threats early and protect their software from cyberattacks.
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