EDR
EDR (Endpoint Detection and Response) is a modern security tool that protects company computers and devices from cyber threats. Think of it as an advanced security guard that watches over all company computers, laptops, and mobile devices. Unlike traditional antivirus software that just blocks known threats, EDR constantly monitors for suspicious activities, records what happens, and can quickly respond to security incidents. It's also sometimes called "Endpoint Threat Detection and Response" or "ETDR". Popular EDR solutions include CrowdStrike, SentinelOne, and Microsoft Defender for Endpoint.
Examples in Resumes
Implemented EDR solution across 500+ enterprise endpoints
Managed EDR and Endpoint Detection and Response systems to detect and prevent security breaches
Led deployment of ETDR platform reducing security incidents by 75%
Typical job title: "EDR Analysts"
Also try searching for:
Where to Find EDR Analysts
Online Communities
Job Boards
Professional Networks
Example Interview Questions
Senior Level Questions
Q: How would you handle a large-scale EDR deployment across multiple office locations?
Expected Answer: A senior candidate should discuss project planning, phased rollout approaches, consideration of network impacts, user training, and incident response procedures. They should mention ways to minimize business disruption and ensure consistent security coverage.
Q: How do you determine if an EDR alert requires immediate action?
Expected Answer: The answer should cover threat assessment procedures, understanding of alert priority levels, analysis of potential business impact, and decision-making processes for incident escalation. They should mention real-world examples of handling both false positives and genuine threats.
Mid Level Questions
Q: What's the difference between EDR and traditional antivirus?
Expected Answer: They should explain that traditional antivirus only looks for known threats, while EDR monitors behavior patterns, provides detailed activity logs, and can respond automatically to suspicious activities. Should give examples of when each tool is most useful.
Q: How do you investigate an EDR alert?
Expected Answer: Should describe the process of reviewing alert details, checking affected systems, analyzing user activity patterns, and determining if the alert is a genuine threat or false positive. Should mention documentation and reporting procedures.
Junior Level Questions
Q: What is an endpoint and why does it need protection?
Expected Answer: Should explain that endpoints are devices like computers, laptops, and phones that connect to the company network, and they need protection because they are common targets for cyber attacks. Should mention basic security concepts.
Q: What basic information does EDR collect?
Expected Answer: Should mention that EDR collects information about running programs, file changes, network connections, and user activities. Should understand why this information is important for security monitoring.
Experience Level Indicators
Junior (0-2 years)
- Basic EDR tool operation
- Alert monitoring and triage
- Security incident documentation
- Understanding of common cyber threats
Mid (2-5 years)
- Threat hunting using EDR tools
- Incident response coordination
- EDR policy configuration
- Integration with other security tools
Senior (5+ years)
- Enterprise EDR strategy development
- Advanced threat detection
- Team leadership and training
- Security architecture planning
Red Flags to Watch For
- No knowledge of basic security concepts
- Unfamiliar with common EDR platforms
- Lack of incident response experience
- No understanding of endpoint security fundamentals
- Unable to explain threat detection basics
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