Zeus Technology, Ltd. was a software company founded in 1995 and based in Cambridge, England, known for its web server. In July 2011, Zeus Technology was acquired by Riverbed Technology. In March 2015, Riverbed Technology sold the SteelApp business unit to Brocade Communications Systems. In June 2017, Brocade Communications Systems sold the vADC business unit to Pulse Secure. In December 2020 Pulse Secure, including the vADC business unit, was acquired by Ivanti.