What Is EDR and Why Your Business Needs It
Cyber Security, General

What Is EDR and Why Your Business Needs It

Gone are the days when cyber attacks were just about obvious viruses or suspicious downloads. Modern threats are much more advanced and designed to evade traditional antivirus tools without raising any alarms.

That is where EDR comes in.

What is EDR?

Endpoint Detection and Response, or EDR, is a cyber security solution that monitors and protects the devices your team uses each day, such as laptops and desktop computers.

Whereas antivirus software is mainly designed to block known threats, EDR works differently by continually monitoring device activity and spotting suspicious behaviour as it occurs.

This means it can identify threats that could go unnoticed, including:

  • Unknown or emerging malware
  • Fileless attacks that do not rely on downloads
  • Suspicious user behaviour or unauthorised access
  • Signs of a cyber attack already in progress

Put simply, EDR does not just try to block threats from entering. Instead, it closely monitors activity inside your systems and responds whenever something does not seem right.

How does EDR work?

EDR works by collecting and analysing data from your endpoints. This includes things like:

  • Processes running on devices
  • Login attempts and user activity
  • Changes to files or system settings
  • Network connections

The system then examines this data to identify patterns or behaviours that might suggest a cyber threat.

If the system detects anything suspicious, the EDR solution can:

  • Alert your IT team or security provider
  • Isolate the affected device to prevent the spread of an attack
  • Investigate what has happened and how it started
  • Support a fast response to contain and resolve the issue

At Seriun, we use Huntress, which combines advanced endpoint monitoring with human threat hunters who actively review alerts and investigate risks. This provides an additional layer of protection that automated systems alone cannot always deliver.

Why standard antivirus is no longer enough

Many companies continue to depend on standard antivirus software as their primary line of defence. Although antivirus software remains useful, it is no longer adequate by itself.

Modern cyber attacks are specifically designed to avoid detection by standard antivirus software. As a result, they often bypass traditional security tools without setting off any warnings.

EDR addresses this shortfall by focusing on behaviour, rather than depending solely on known threat signatures. For instance, rather than asking, “Is this file a known threat?”, EDR considers, “Is this behaviour typical for this device or user?”

This change in approach allows EDR to identify and prevent attacks that might otherwise go unnoticed.

The role of Huntress in EDR

At Seriun, we use Huntress as part of our EDR offering, providing an additional layer of protection for our customers.

Huntress is more than just another software programme. It blends advanced endpoint monitoring with a team of security specialists who actively search for threats within your environment.

What does Huntress EDR protection do:

  • Suspicious activity is reviewed by real people, not just automated systems
  • Threats are investigated quickly and properly understood
  • You receive clear, actionable insights rather than jargon
  • Potential attacks can be stopped before they cause serious damage

By using Huntress, we ensure our customers benefit from both powerful technology and human expertise, which is necessary in today’s threat landscape.

Why EDR is essential for SMEs

Cyber attacks do not only affect large organisations. In reality, small and medium-sized businesses are now more frequently targeted, as they are often viewed as easier to compromise.

Without EDR in place, many attacks can go undetected for long periods, giving attackers time to:

  • Access your sensitive data
  • Move across your network
  • Interrupt and disrupt your operations
  • Deploy ransomware

EDR significantly lowers this risk by offering visibility and quick responses.

For SMEs, this means:

  • Better protection against modern and emerging threats
  • Faster detection of suspicious activity on your system or device
  • Reduced impact of cyber incidents affecting your business
  • Greater confidence in your security setup.

EDR as part of a wider cyber security strategy

Although EDR is a very powerful tool, it cannot promise to prevent every attack. It is most effective when used alongside other essential security measures.

This includes:

EDR acts as a safety net, helping to intercept anything that gets past your other defences.

The future of cyber security

Cyber attacks will keep evolving, and businesses must adapt their approach to remain protected. Although no security solution can guarantee complete protection, Huntress helps deliver the visibility, detection, and response capabilities that organisations require.

EDR provides the visibility, detection and response that tools simply cannot offer on their own.

With solutions like Huntress, supported by expert oversight, businesses can move from reactive to proactive security, identifying and stopping threats before they cause severe damage.

For any organisation looking to strengthen its cyber security, EDR should no longer be optional. It is an essential part of staying secure in today’s digital world.

 

If you are unsure whether your current approach is providing the level of protection your business needs, a conversation with Seriun can help provide clarity. We can assess your existing security posture, highlight any gaps and implement practical steps to strengthen your defences. We support Lancashire, Manchester and businesses across the UK with straightforward cyber security guidance that avoids unnecessary jargon and focuses on real-world protection.

 

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