ESET (formerly known as NOD32) is a global cybersecurity company known for its antivirus and internet security software, offering protection for individuals and businesses against various threats like malware, ransomware, and phishing. Their products, like ESET Endpoint Security, utilize multi-layered technology and advanced AI to provide real-time protection and efficient performance. ESET also offers solutions for cloud app security, mail server protection, and extended detection and response.