Expel
Verified profileManaged detection and response from Herndon Virginia
Team size
450 employees
Founded
2016
Support hours
24/7 MDR
About Expel
Expel was founded in 2016 and works from Worldgate Drive in Herndon, Virginia, delivering managed detection and response to organizations that keep their own security tools. The model pairs automation with people, its Ruxie AI works at every stage of an alert so analysts reach decisions faster, backed by ten years of live SOC production data. Human analysts are available 24/7 and can be reached directly on Slack or Teams, knowing each client environment and context. Expel reports a 14 minute mean time to remediate, and clients keep full visibility into investigations, seeing exactly how and why decisions were made on their behalf. Forrester named Expel a Leader in its Wave for MDR Services in 2025, scoring five out of five in 15 of 21 criteria, including detection for cloud and identity. Published customer results include cutting investigation volumes in half and improving remediation times by more than 60 percent.
Services
- Cybersecurity
- Endpoint Security
- Security Operations Center
- Incident Response
Who they work with
Specialization
Service area
Technology and partners
Technologies
Frequently asked questions
What managed security services does Expel offer in Herndon?
Expel provides managed security from Herndon as a managed detection and response service, with human analysts watching alerts 24/7 inside the tools you already own. Automation speeds every stage of an alert, and confirmed threats are contained with a mean time to remediate of 14 minutes.
Who does Expel serve and where?
Expel serves security teams at organizations that already run their own security tools but need expert analysts watching them around the clock. From its Herndon, Virginia headquarters, it supports clients whose published results include global security services, financial technology and healthcare organizations across the United States.
How does Expel work with our existing security tools?
Expel works inside the security tools your team already owns, so you keep your tools, visibility and control while its analysts triage and act on alerts. You can reach analysts directly on Slack or Teams, and every investigation stays transparent, showing how and why each decision was made.
