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Investors, including venture capitalists (VCs), are betting $359 million that secure access service edge (SASE) will become a primary consolidator of enterprise security tech stacks.

Cato Network’s oversubscribed Series G round last week demonstrates that investors view SASE as capable of driving significant consolidation across its core and adjacent markets. Now valued at $4.8 billion, Cato recently reported 46% year-over-year (YoY) growth in annual recurring revenue (ARR) for 2024, outpacing the SASE market. Cato will use the funding to advance AI-driven security, accelerate innovation across SASE, extended detection and response (XDR), zero trust network access (ZTNA), SD-WAN, and IoT/OT, and strengthen its global reach by scaling partner and customer-facing teams.

Gartner projects the SASE market will grow at a compound annual growth rate (CAGR) of 26%, reaching $28.5 billion by 2028.

The implied, real message is that SASE will do to security stacks what cloud computing did to data centers: Consolidate dozens of point solutions into unified platforms. Gartner’s latest forecast for worldwide SASE shows organizations favoring a dual-vendor approach, shifting from a 4:1 ratio to 2:1 by 2028, another solid signal that consolidation is on the way.