ESET nod32是由ESET发明设计的杀毒防毒软件。ESET，于1992年建立，是一个全球性的安全防范软件公司，主要为企业和个人消费者 提供服务。其得奖之旗舰产品 NOD32 能针对已知及未知的病毒，间谍软件（SPYWARE）及其它对用户系统带来威胁的程式进行实时的保护。
ESET NOD32 V5主要更新：
• Enhanced Media Control – Blocks threats trying to get through to the system via removable media. ESET SmartSecurity 5 automatically prompts user to scan the content of all USB flash drives, CDs and DVDs. Users can block specific media based on a range of parameters like the device ID, media type, and serial number.
• ESET Cloud-Powered Reputation – Enhanced detection power and scanning speed using advanced reputation service and ESET malware collection and analysis.
• Optimized Startup Procedure – ESET Smart Security 5 lets user start working on computer immediately after boot-up, without compromising security.
• Gamer Mode – When in full-screen mode, ESET Smart Security automatically switches to silent mode to save system resources, so users can enjoy playing computer games or concentrate on important work tasks without distractions from pop-up messages.
• Improved Graphic User Interface – The graphical environment has undergone a number of usability and design modifications aiming to enhance the overall user experience.
• Parental Control – Blocks sites that may contain potentially offensive material. In addition, parents can prohibit access to up to 20 pre-defined website categories.
• Improved Antispam – Antispam module integrated into ESET Smart Security has undergone a thorough optimization process for an even higher level of detection precision.
• Intelligent Firewall – Prevents unauthorized users from accessing your computer remotely and monitoring your network traffic.