ESET is an IT security company that offers anti-virus and firewall products such as ESET NOD32. It was founded in 1992. It is headquartered in Bratislava, Slovakia, and was awarded the recognition of the most successful Slovak company in 2008, 2009 and in 2010. It plays a significant role in overall Cybersecurity.

According to Gartner Peer Insights, as of July 2018, its main competitors in Endpoint Protection are : Symantec, Kaspersky Lab, Sophos, McAfee, Trend Micro, and Microsoft.

The company was founded in 1992 when Miroslav Trnka and Peter Paško, authors of antivirus software NOD, partnered up with Rudolf Hrubý. They adopted ESET, 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 United States, Argentina and Singapore, and development facilities in Poland and Czech Republic.