F5, Inc. is an American technology company specializing in application security, multi-cloud management, online fraud prevention, application delivery networking, application availability & performance, network security, and access & authorization. F5 is headquartered in Seattle, Washington in F5 Tower, with an additional 75 offices in 43 countries focusing on account management, global services support, product development, manufacturing, software engineering, and administrative jobs. Notable office locations include Spokane, Washington; New York, New York; Boulder, Colorado; London, England; San Jose, California; and San Francisco, California. F5's originally offered application delivery controller technology, but expanded into application layer, automation, multi-cloud, and security services. As ransomware, data leaks, DDoS, and other attacks on businesses of all sizes are arising, companies such as F5 have continued to reinvent themselves. Wikipedia