What is Endpoint Detection and Response (EDR)?

In cybersecurity, the endpoint is the scene of the crime, and today's threat actors are notorious for trying to circumvent traditional antivirus software. As attackers try to hide their malicious activity, endpoint detection and response (EDR) makes it a lot harder for them to succeed.

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Key Takeaways
  • What is EDR? EDR protects endpoints like laptops, servers, and desktops by continuously monitoring for suspicious activity and stopping threats before they do damage.
  • Why it’s essential: Modern threats like ransomware and zero day attacks need more advanced protection than traditional antivirus solutions can provide.
  • Key features: EDR solutions offer 24/7 endpoint monitoring, advanced analytics, automated threat response, and forensic insights to tighten security and simplify post-incident investigations.
  • Managed vs. Unmanaged: Managed EDR is ideal for businesses without in-house cybersecurity teams, as it puts EDR in the hands of a team of cybersecurity experts who monitor your endpoints 24/7 and respond when needed. Traditional EDR is good for organizations with the IT resources and expertise to handle it internally.




Cybercriminals are relentless in honing their tactics to exploit vulnerabilities and wreak havoc on businesses. With so much at stake—from protecting sensitive data to maintaining smooth operations—you need to have the right defenses in place.

That’s where Endpoint Detection and Response (EDR) steps in—a proactive solution designed to bring advanced threat detection and prevention to your endpoints.

In this guide, we’ll explore what EDR is, its standout features, and why it’s essential for staying ahead of modern cyber threats.

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Introduction to EDR

Endpoints like laptops, desktops, and servers are easy targets for threat actors because they’re often the weakest link in an organization’s cybersecurity defenses. EDR technology detects, investigates, and responds to threats by focusing on these systems. It’s designed to stop cybercriminals in their tracks before they can do serious damage.

What Does EDR Mean?

Endpoint detection response is more than just a tool—it’s a proactive strategy for modern cybersecurity. The detection side zeroes in on suspicious activity in real-time, using advanced analytics to spot anything out of place. The response side empowers you to jump into action and stop threats before they can do any damage. 

Put it all together, and you have a dynamic approach to endpoint security that is always watching for known and emerging threats


Key Features of EDR Solutions

An endpoint detection and response solution typically includes several core features to strengthen your business’s security posture:

  • Real-time threat monitoring tracks activity across endpoints 24/7.
  • Advanced analytics detect sophisticated threats with behavioral analysis and machine learning. 
  • Automated response capabilities stop threats by isolating compromised devices, blocking malicious processes, and mitigating risks.
  • Forensic insights give you detailed data for post-incident investigations and compliance.

Why EDR is Crucial in Cybersecurity


Traditional antivirus solutions don’t cut it anymore. Modern cyberattacks are way more advanced and use sophisticated techniques like ransomware, fileless malware, and zero day exploits to evade basic defenses.

This is where EDR earns its keep. By continuously monitoring endpoints and focusing on threat detection and response, EDR shines a bright spotlight on suspicious activity so threats can’t hide.


How EDR Works

Here’s a quick breakdown of how a standard EDR platform operates:

  • Data collection: EDR solutions gather and analyze data from endpoints in real time.
  • Threat detection: Behavioral analytics and AI identify potential threats.
  • Response mechanisms: EDR systems immediately neutralize threats by isolating infected endpoints. 
  • Forensic analysis: Detailed information is logged to help teams investigate incidents and determine a course of action.

This active, layered approach is exactly why EDR is a must-have for endpoint malware detection and prevention.

What are the Types of EDR? Managed vs. Unmanaged EDR

EDR serves as a tool, whereas MDR builds on it as a fully managed service, integrating EDR into a broader security strategy. With that in mind, the choice between Managed EDR and Unmanaged EDR often depends on resources and expertise, such as:

  • Managed EDR: A third-party provider monitors and manages their EDR solution on your behalf—e.g., Huntress’ Managed Endpoint Detection and Response (EDR). This is ideal for businesses of any size that don’t have in-house security teams.
  • Unmanaged EDR: Your internal team handles all aspects of the solution, including deployment, configuration, continuous monitoring, threat detection, analysis, and response, which require dedicated cybersecurity expertise.

Choosing between Unmanaged and Managed EDR depends on your organization's resources and knowledge. For many businesses, teaming up with a Managed EDR provider is a simple way to get comprehensive protection without hefty upfront investments or adding to your headcount. You get robust security that’s tailored to your exact needs.


Key Components of EDR Systems

A standard EDR system includes:

  • Threat intelligence: Access to a database of known attack patterns and malicious behaviors.

  • Incident response tools: Automation features to quickly address potential threats.

  • Endpoint monitoring: Continuous visibility into endpoint activity.

  • User-friendly interface: Dashboards that give you clear insights at a glance.

These all work together to optimize endpoint threat prevention and position your business for rapid responses to cyberattacks.


Common Use Cases for EDR

EDR isn’t just about reacting to cyberattacks—it's about staying ahead of what’s coming.  Here’s how businesses use EDR: 

  • Ransomware protection: Detecting and stopping ransomware before it spreads.
  • Insider threats: Monitoring for suspicious user behavior within the organization.
  • Regulatory compliance: Ensuring security measures meet industry standards.
  • Advanced threat detection: Identifying zero day threats and unknown malware.

Whether you’re fending off cybercriminals, mitigating insider threats, or navigating compliance minefields, with EDR on your team, your blindside is always protected.


EDR vs. Traditional Antivirus

Antivirus and EDR are distinctly different tools that work together to form a unified cybersecurity strategy. While antivirus focuses on the detection and removal of predominantly known malware, EDR is more broadly focused on: 

  • Proactive threat hunting: Identifying unknown threats using advanced behavioral analysis.
  • Real-time responses: Stopping attacks as they happen rather than after the damage is done.
  • Forensic capabilities: Giving you threat and incident insights to improve your overall security posture.

Think of antivirus as castle walls designed to keep invaders out. At the same time, EDR is the patrol inside the castle, searching for anyone who manages to slip through and neutralizing threats before they can do damage.


Why Huntress?

When you partner with Huntress Managed EDR, you get proactive protection backed by advanced threat detection, seamlessly integrated with expert human analysis that’s always on your side. Our 24/7 Security Operations Center (SOC) delivers real-time detection and remediation so that your endpoints stay secure, day or night. Plus, our lightweight, user-friendly Managed EDR platform rolls out easily and handles updates seamlessly—all with straightforward pricing (no hidden fees) and unmatched scalability. 

Ready to see how Huntress can help you level up your security? Let’s talk.


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