ESET NOD 32 With a personal firewall, antispam, and the same antivirus and antispyware protection delivered by ESET NOD32 Antivirus, ESET Smart Security is the most comprehensive defense against Internet threats. These threats come in many forms. In fact, by the time you finish reading this sentence, approximately 70 new variants of malware viruses, trojans, worms, rootkits, spyware, and more will have been released. But ESET Smart Security will keep you safe. And with the addition of personal firewall software, you can proactively filter content, ensuring customized protection.ESET Smart Security is a tightly integrated solution designed to protect computers from a range of threats. Built on the award-winning ESET NOD32 Antivirus and its powerful ThreatSense® engine, ESET Smart Security provides antispyware, antispam and customized firewall features to protect you, your family and your business from Internet threats.