or the network or enterprise edge. Acquisitions NGINX, Inc. In March 2019, F5 acquired NGINX, Inc., the company responsible for widely used open-source web server software, for $670 million. Shape Security, Inc. In January 2020, F5 acquired Shape Security, Inc., an artificial intelligence-based bot detection company, for $1 billion. It also sells products to protect applications against fraud. The previous Shape Security-branded solutions are now included in F5 Distributed Cloud Services. Volterra, Inc. In January 2021, F5 acquired Volterra, Inc., an edge networking company, for $500 million. It sells SaaS security services. The previous Volterra-branded solutions are now included in F5 Distributed Cloud Services. Threat Stack, Inc. In October 2021, F5 acquired Threat Stack, Inc., a Boston cloud computing security startup company for a reported $68 million. As of December 15, 2022, the previous Threat Stack offering has been rolled into the F5 Distributed Cloud platform as the Application Infrastructure Protection feature. References External links 1999 initial public offerings American companies established in 1996 Software companies established in 1996 Companies listed on the Nasdaq Computer security companies DDoS mitigation companies Deep packet inspection Networking companies of the United States Networking hardware companies Networking software companies Software companies based in Seattle 1996 establishments in Washington (state)