Ranking the 25 Top Venture-Backed Cybersecurity Companies Growing Fast in 2025
Cybersecurity has been huge in 2025. While overshadowed by AI funding, there have still been some large cybersecurity exits and acquisitions, most notably Google’s $32 billion acquisition of Wiz. We want to to explore the rest of the space, but not just anecdotaly. We needed some data.
So we put our heads together and refined metrics on cybersecurity companies that have received lots of funding and are funded in the Silicon Valley ecosystem. This allows more clear comparisons with similar funding and business models. It also applies the power laws to funding and company concentration in this space.
We analyzed data from Crunchbase to uncover the top US cybersecurity firms with top investors from Silicon Valley. Here they are.
Funding is huge. This breakout highlights those firms that have raised the most venture captial rounds, ranked by a combination of date and volume. Note we are also including post-IPO raises as well. These are worth considering because they’re all part of the competitve system that all cybersecurity startups are competing in.
*GFD’s Funding Score captures funding volume and velocity by combing total funding with recent funding amount and recency.
