First Responder
Noun · Security & Infosec
Definitions
The initial person or team that handles a suspected security incident, containing immediate damage, preserving evidence, and escalating appropriately. In cyber response, first responders often include SOC analysts, IT staff, or local administrators nearest to the affected system.
In plain English: The first person or team that starts responding to a security incident.
Example: "The help desk acted as the first responder and isolated the laptop before the IR team joined."
Related Terms
- Computer Emergency Response Team
- Incident Containment
- Incident Playbook
- Incident Bridge
- High Priority
- Auto-Escalation
- Cyber Exercise
- Cyber Incident
- File Analysis
- Incident Classification
- Incident Communication
- Incident Coordination
- Incident Escalation
- Incident Handler
- Incident Lifecycle
- Incident Recovery
- Incident Report
- Incident Severity
- Incident Tracking
- IT Asset Management
- IT Risk
- ITSM
- Mean Time to Respond
- MSP
- Patch Cadence
- Playbook
- Post-Incident Review
- Production Security
- Remote Administration
- Response Plan
- Response Team
- Response Time