The round was led by CapitalG, Alphabet's independent growth fund, with participation from all existing investors. The latest investment brings the valuation of Salt Security to $1.4 billion, bolstering its leadership position in the API security market with the most funding, highest valuation, most customers, and deepest penetration among Fortune and Global 500 enterprises. Salt Security will use the additional capital to expand R&D investment, fuel sales and marketing, and more rapidly grow its international operations to address the growing number of cyber threats targeting APIs.

All the investors who have backed Salt Security in previous rounds also participated in this raise, including Sequoia Capital, Y Combinator, Tenaya Capital, S Capital VC, Advent International, Alkeon Capital, and DFJ Growth.

Salt Security protects the APIs that form the core of every modern application. Its API Protection Platform is the industry's first patented solution to prevent the next generation of API attacks, using machine learning and AI to automatically and continuously identify and protect APIs. Deployed in minutes, the Salt Security platform learns the granular behavior of a company's APIs and requires no configuration or customization to pinpoint and block API attackers. Salt Security was founded in 2016 by alumni of the Israeli Defense Forces (IDF) and serial entrepreneur executives in the cybersecurity field and is based in Silicon Valley and Israel.