By Light - CyberCENTS® is a Leader in Cyber Training We have a long history of producing cyber range environments that are fully customizable, scenario-based, and hands-on-keyboard for practical application to support individual work roles and collective (group) education, training, and exercises to meet your objectives. Our ranges are both on-prem or remotely hosted, use a Linux kernel-based virtual machine (KVM) hypervisor, have Layer 2 accessibility and extensibility to any Internet Protocol-based system, and offer a high-fidelity grey space as well as a customizable learning management system (LMS) with content. We have eliminated the need for costly VMware licenses and built our cyber ranges for customer ease to add-in other ranges or systems. We offer automated Advanced Persistent Threat (APT) to address current needs for advanced cyber professional learning. Our cyber training and exercise content is provided in a Moodle instance to allow modification and import and export of other content.