If you see the My Norton window, next to Device Security, click Open. In the main window, double-click Security, and then click LiveUpdate. LiveUpdate tries to connect to the Internet and download the updates. Norton™ AntiVirus Plus covers a single PC or Mac. Device Security and Norton Secure VPN Entitlement PC, Mac or Mobile Device: PCs, Macs, Androids, iPads and iPhones. Norton™ 360 Standard covers a single device; Norton™ 360 Deluxe covers up to 5 devices; Norton™ 360 with LifeLock™ Select covers up to 5 devices. Jan 26, 2021 How to download and install a Symantec Norton AntiVirus Definition update: Check whether your version of Windows is 32-bit or 64-bit. In the table left, click on the link that will work for your. Norton Security for Mac. These manuals are for the latest version of the Norton products. If you have an older version or if you do not know your product version, go to Norton Update Center. The solution made it easy for me to handle my issue. Web Attacks: Attacks carried out from a location on the web. These can be on compromised websites, sites that have been created specifically for web attacks, drive-by downloads from exploited web browsers or email clients, malvertising, clicking on an ad that installs malware onto your computer, or pharming, where cybercriminals slyly re-direct traffic from a legitimate site to a malicious one.