Network access control (NAC) and Zero Trust

Another option is to scan all devices that attempt to connect to your work network. Typically, this is part of Zero Trust offerings, but it’s actually NAC that has been around since the late 2000s. NAC provides scanning, ensuring that the operating system (OS) is patched. In addition, NAC will ensure that your antivirus and anti-malware are up to date on all devices prior to being allowed to access your network. If your machine is company-issued, but the OS isn’t patched or the antivirus needs to be updated, then NAC would place you on a separate network to upgrade the software. This was set up at Cisco years before the Zero Trust became a big topic. NAC is considered a building block of Zero Trust. At Cisco, if I brought in my personal laptop, it would not automatically connect to the Cisco internal Wi-Fi network. There was a website you would go to to register your device. NAC would scan your device to ensure the OS and antivirus...