Expel

About Expel

Expel is a cybersecurity company specializing in managed detection and response (MDR) services. It provides 24x7 security operations led by human analysts with AI-supported technology, focusing on transparent service and rapid incident response, including a strong MTTR on high-severity events. Headquartered in Herndon, Virginia, Expel works with organizations across multiple industries to protect cloud, endpoint, email, network, and identity environments using its Workbench operations platform and Expel Intel. The company emphasizes customer collaboration, deep visibility, and a philosophy of partnership over transactional relationships.