Knowledge base
July 25, 2025
DNS and URL filtering for SME Netherlands
A click on the wrong link can have disastrous consequences for your organization. Cyber attacks often start because an employee unknowingly clicks on a rogue link. This can lead to downtime, data loss and reputational damage.
Fortunately, there are effective solutions to significantly reduce this risk: DNS filtering and URL filtering. These techniques block dangerous websites and suspicious links before they can do any damage.
In this guide you will learn:
- What DNS and URL filtering are and why they are essential for Dutch businesses.
- How to implement these solutions step-by-step.
- Common mistakes and how to avoid them.
- Cost and ROI for SMEs in the Netherlands.
At ALTA-ICT, we help companies with ISO 27001, ISO 9001 and NEN 7510-certified processes to minimize cyber risks and keep employees safe.
What is DNS and URL filtering and why crucial for Dutch companies?
DNS filtering blocks access to dangerous domains even before a device connects. URL filtering goes one step further by checking specific pages within a domain for malicious content.
Advantages:
- Prevents malware and phishing attacks.
- Improves network security without additional burden on employees.
- Helps with AVG/GDPR compliance.
For Dutch companies, especially SMEs, this is crucial: cybercrime continues to rise and one mistake can have major consequences for continuity and reputation.
Implementing DNS and URL filtering in the Netherlands – Step-by-Step
- Conduct risk analysis – Identify which users and devices are at risk.
- Choose a certified provider – Work with an ISO27001-certified partner such as ALTA-ICT.
- Set up configuration – Integrate filtering into your network and devices.
- Provide training to employees – Awareness is essential to improve click behavior.
- Monitoring and reporting – Regularly monitor the effectiveness of filtering.
Common mistakes in DNS and URL filtering and how to avoid them
- Take technical measures only: Without training, employees remain at risk.
- Do not perform updates: Old configurations can cause security holes.
- No viewing reports: Without insight into attempted attacks, you miss valuable information.
Cost and ROI of DNS and URL filtering for Dutch SMEs
The investment is relatively low compared to the cost of a data breach or cyberattack. By:
- Less downtime
- Preventing data loss
- Better compliance with AVG rules
…the solution often pays for itself within a few months.
How ALTA-ICT helps your business with DNS and URL filtering
We offer URL filtering as standard within our Modern Workplace packages. Our Platinum package also includes DNS filtering. With our structured and certified approach, we ensure that your business:
- Proactively protected against cyber threats.
- Allows employees to work consciously and safely.
- Complies with ISO27001, ISO9001 and NEN7510 standards.
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Reference
¹https://www.linkedin.com/posts/altaict_cyberaanvallen-malware-mkb-activity-7348328831482490880-NnpH
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