ESET is an information technology security company that develops security software solutions which deliver protection against computer security threats for home users and corporate customers worldwide.

The company provides ESET Smart Security, an integrated anti-virus, anti-spyware, anti-spam, and personal firewall solution; ESET NOD32 Antivirus, an integrated security solution that detects and disables viruses, Trojans, worms, adware, spyware, phishing, rootkits, and other internet threats; ESET Cybersecurity for MAC; and ESET Endpoint Security, a security solution for company endpoints combining a two-way firewall, web control, and remote administration tool.

ESET also offers ESET Endpoint Antivirus, an anti-virus and anti-spyware protection utilizing cloud-powered scanning, device control, and remote management of clients; ESET Mobile Security for Android that provides Android smartphone and tablet users with safer mobile technology adventures; and ESET Rootkit Detector, a security tool for Mac OSX that scans for malicious kernel extensions attempting to change operating system behavior by hooking inside the operating system.

ESET was founded in 1992 and is based in Bratislava, Slovakia with regional distribution centers in San Diego, California; Buenos Aires, Argentina; and Singapore. It has additional offices in Sao Paulo, Brazil; and Prague, Czech Republic as well as malware research centers in Bratislava and Košice, Slovakia; San Diego, California; Buenos Aires, Argentina; Singapore; Prague, Czech Republic; Krakow, Poland; Montreal, Canada; and Moscow, Russian Federation.