ESET Smart Security delivers the ultimate defense against cybercrime, junk mail and hackers by adding a firewall and antispam technology to ESET NOD32 Antivirus. ESET Smart Security 4 keeps your PC safe with advanced proactive detection that blocks most known and undiscovered threats hours or days faster than other Internet security technologies. This is your most effective protection against today's huge volumes of Internet and security threats from the web or emails. 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. Utilizing ThreatSense - the industry's most advanced heuristics - the window of vulnerability between virus outbreak and signature update is reduced.