ASG (Application Security Group) is a cloud security feature that allows network security practitioners to configure network security as per application requirements. Some of the synonyms for ASG can be security groups, network security groups, application-defined networking, cloud-based firewall, or micro-segmentation. In essence, ASG provides cloud-based application security by defining policies around network traffic. This helps in securing traffic between different components of an application, and also within the application environment. Synonyms for the word ASG are important for improving the security of cloud-based applications and for effective communication between developers, network administrators, and security professionals.