Glossary
Endpoint Detection and Response (EDR)
EDR is like a security camera system for your computers that's smart enough to spot suspicious behavior, not just known criminals. Traditional antivirus is like a bouncer with a photo list of banned people. EDR watches for anyone acting suspicious - even if they're not on the list - and can automatically lock them down.
What is Endpoint Detection and Response (EDR)?
EDR is advanced security software that continuously monitors endpoints (computers, laptops, servers) for suspicious activity. Unlike traditional antivirus that looks for known malware signatures, EDR uses behavioral analysis to detect threats, can respond automatically, and provides detailed forensic data for investigations.
Why Should You Care?
Modern threats often evade traditional antivirus by using legitimate tools or novel techniques. EDR catches these by watching for suspicious behavior patterns. It's also invaluable after an incident - the detailed logs help understand what happened, what was accessed, and how to prevent it in the future.
Is your business exposed?
Real-World Example
A ransomware attack began on a Friday night when the office was empty. The company's EDR detected unusual file encryption patterns within minutes and automatically isolated the infected computer from the network. By the time IT arrived Monday morning, only one computer was affected instead of the entire network.
How to Protect Against Endpoint Detection and Response (EDR)
- 1.
Evaluate if your business needs EDR vs traditional antivirus
- 2.
For high-risk businesses, deploy EDR on all endpoints
Microsoft Defender for Business, SentinelOne, or CrowdStrike
- 3.
Start with free/included options (Microsoft Defender is quite capable)
Microsoft Defender
- 4.
Ensure someone is monitoring EDR alerts (or use managed service)
- 5.
Review and tune detection rules for your environment
- 6.
Test incident response procedures with EDR-generated alerts
Related Terms
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