ESET is an IT security company headquartered in Bratislava, Slovakia that was founded in 1992 by the merger of two private companies. ESET offers anti-virus and firewall products such as ESET NOD32 and competes in the antivirus industry. The company was founded in 1992 when Miroslav Trnka and Peter Pako, authors of antivirus software NOD, partnered up with Rudolf Hrub. They adopted the name of the Egyptian goddess of health, marriage and love as the company name. In 1998 NOD received the VB100 award of Virus Bulletin, which helped the company establish subsidiaries in the USA, Argentina and Singapore, and development facilities in Poland and Czech Republic.
Zscaler is a global cloud-based information security company that provides Internet security, web security, next generation firewalls, sandboxing, SSL inspection, antivirus, vulnerability management and granular control of user activity in cloud computing, mobile and Internet of things - centric environments. As of 2015, Zscaler provides automated threat forensics and dynamic malware protection against advanced cyber threats, such as advanced persistent threats and spear phishing for more than 6,000 corporate, government and military organizations with more than 15 million paying users.