Secure Boot is a security feature built into the UEFI (Unified Extensible Firmware Interface) firmware that helps to ensure that only trusted software can load during the startup process of your PC. This helps to protect your PC from malware and other security threats that could be installed on your PC during the startup process.
However as ITPro.com reports, this requirement for your PC or Laptop maybe need to be turned on mainly. Secure Boot is very important, especially if you suspect malware, virus or other malicious threats to your system.