Cato Networks Secures $359M in Series G as Cybersecurity Sector Maintains Momentum
The Tel Aviv-based cloud security firm has raised $359 million at a valuation exceeding $4.8 billion, bringing its total funding past $1 billion as investors continue backing the cybersecurity space.
Cato Networks, a cloud security company headquartered in Tel Aviv, announced on Monday the completion of a Series G funding round totaling $359 million. The round valued the firm at more than $4.8 billion.
The funding syndicate featured Vitruvian Partners and Ion Crossover Partners as new participants, alongside returning investors Lightspeed Venture Partners, Acrew Capital and Adams Street Partners. This latest capital infusion pushes the decade-old company's cumulative funding beyond $1 billion.
The timing reflects a robust investment climate for cybersecurity ventures. Through the current year, global startups in the sector have attracted over $7 billion in funding according to Crunchbase data.
Investment activity has accelerated sequentially during the first and second quarters of 2025. Beyond Cato, other substantial funding announcements include Cyera, an artificial intelligence-driven data security platform that raised $540 million earlier this month, and NinjaOne, an endpoint security vendor that secured $500 million in February.
Cato specializes in SASE, or secure access service edge—a networking and security approach delivering a unified cloud-based infrastructure for connecting and protecting physical, cloud and mobile business resources.
A key advantage of SASE technology involves facilitating secure remote work capabilities. This functionality has become increasingly valuable as organizations have adopted distributed and hybrid employment models at scale. Current trends suggest this shift will persist despite isolated corporate return-to-office initiatives.
Cato outlined its intended use of the new capital: expanding features that allow organizations to safely implement artificial intelligence, increasing research and development investment, and strengthening its presence across international markets.
The round also reflects the expanding ranks of "ultra-unicorns," privately held firms valued at $5 billion or higher. Crunchbase data indicates that at least 17 companies achieved this status during the first half of 2025, including notable names like Thinking Machines Lab, Glean and Abridge. Cato approaches this threshold but has not yet surpassed the $5 billion valuation mark.
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