EDR is security software that sits on your devices. Laptops, desktops and servers. It watches what is happening in real time and reacts if something looks suspicious.
Traditional antivirus looks for known threats. EDR looks for behaviour.
For example :
• A user clicks a phishing link
• A file starts encrypting lots of data
• A script runs in the background
• An unknown program tries to access admin rights
EDR spots patterns like this, even if the malware is brand new.
What EDR actually does
Continuous Monitoring
It records activity on each device. File changes, logins, processes and network connections.
Threat Detection
It uses behaviour analysis and threat intelligence to flag unusual activity.
Automatic Response
It can isolate a device from the network in seconds. That stops the spread.
Investigation Tools
It shows you a timeline of what happened. You can see where the attack started and what it touched.
Why this matters to your business
If ransomware hits one laptop and you have no EDR, it can spread across your network in minutes.
With EDR in place :
• The infected device can be isolated automatically
• Malicious processes can be killed
• Evidence is captured for investigation
• You reduce downtime and data lossIn plain English, EDR helps you catch threats early and contain them fast.If you are relying on basic antivirus alone, you are missing a key layer of protection.
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