Prime Security, the company that built the first Agentic Security Architect, has raised $20 million in its Series A funding round. The investment was led by Scale Venture Partners, with additional support from Foundation Capital, Flybridge Ventures, and Ofir Ehrlich the CEO and Founder of Eon.
The company will use this new funding to grow its market reach and speed up the development of its Agentic Product Security Platform. This platform includes a set of smart AI agents that work automatically to watch, check, and improve product security at every stage of the development process.
Modern software is built extremely fast, but security processes are still slow, manual, and depend on limited expert resources. Security teams can only review a small portion of the planned work before it gets released, and the rest often goes unchecked. As AI-powered coding speeds up development even more, this gap between development and security continues to grow.
Prime’s agentic platform removes this manual burden by automating the entire security process. Instead of one-time checks, it turns design-stage protection into a smart, ongoing system that automatically keeps up with engineering speed and scales as teams grow.
“Integrating security into the design phase has always been a technically challenging manual process. Prime’s unique approach transforms this critical, time-consuming stage.” said Ariel Tseitlin, Partner at Scale Venture Partners. “This team are both visionaries and operators. Having led technical, GTM, and security teams at companies like PayPal and Own, and scaled enterprise Product Security programs, they’ve experienced firsthand the problem they’re solving. This combination of category-creation vision and deep operational expertise is what defines market leaders.”
Prime Security is creating a new way to handle product security by using AI agents right from the design stage of every software project. Its main product, the Agentic Security Architect, can automatically review security designs and spot potential issues early in the development process.
By fitting directly into the tools engineers already use, Prime makes security reviews faster and reduces manual work and costs by more than 60%. This approach also helps companies check almost all of their planned development tasks, instead of only a small portion.
“Modern product development is changing in front of our eyes,” said Michael Nov, Co-Founder and CEO of Prime Security. “We founded Prime to redefine how security fits into this new world, with agentic systems that operate starting at the design phase, not after development. Our mission is to build security that scales with engineering instead of slowing it down.”
“At PayPal, we know that security must evolve as fast as the threat landscape,” said Shaun Khalfan, CISO at PayPal. “Prime Security’s autonomous, design-stage reviews give us continuous and adaptive visibility across our engineering ecosystem, enabling us to identify and address risks earlier in the software development lifecycle. This capability helps us move with speed and confidence to deliver for our customers and strengthen trust in our business globally.”
Prime Security offers an AI-powered platform that helps security teams find, rank, and fix risks during the software design stage. Founded in 2023 and based in New York with an office in Tel Aviv, the company connects with major engineering tools to give complete coverage of all development work without slowing teams down.
Prime Security is SOC2 Type II certified and supported by investors including Scale Venture Partners, Foundation Capital, Flybridge Capital Partners, and PayPal Ventures. For more details, visit the company’s website.
Prime Security was founded in late 2023 by Michael Nov (CEO), Danny Hanga (CTO), Dimitry Shvartsman (CPO), and Matan Markovics (VP R&D). Nov is a former entrepreneur and investor who previously led corporate development at OwnBackup. Hanga and Markovics also worked at OwnBackup as directors in cyber development and data products. Shvartsman previously served as a senior director and head of cyber strategy at PayPal.
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