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Data breach: What is it and how do you prevent it?

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A data breach can have major consequences for individuals and organizations. Think of identity fraud, financial damage or loss of reputation. But what exactly is a data breach? When should you report a data breach? And how can you prevent a data breach? Read on and discover the answers to these questions in a few minutes.

What is a data breach? #

A data breach is a security incident with personal data. It occurs when confidential information is accidentally or unlawfully destroyed, lost, changed or becomes accessible to unauthorized persons.

Data breaches can lead to:

  • Identity fraud
  • Financial damage
  • Reputational damage for companies

It is therefore important to quickly recognize a data breach and check whether you need to report it.

When should I report a data breach? #

Not every data breach needs to be reported, but if it poses risks to those involved, you are required to do so under the General Data Protection Regulation (GDPR).
You must report a data breach if:

  • there is a high risk of harm to those involved;
  • sensitive personal data is involved;
  • the data is accessible to unauthorized persons.

A data breach must be reported to the Dutch Data Protection Authority (AP). Please take the following into account:

  • A data breach must be reported within 72 hours;
  • If a data breach poses a high risk, you must also inform the persons involved.

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Examples of data breaches #

Data breaches can occur in various ways. Some common examples:

  • Physically by post: A letter with personal data is sent to the wrong recipient;
  • By e-mail: Confidential information is accidentally sent to the wrong e-mail address;
  • Through a cyber attack: Hackers gain access to sensitive data via phishing or malware;
  • Through theft or loss: An unsecured USB stick with personal data is lost.

How do I detect a data breach? #

If you suspect a data breach, it is important to go through the following steps:

  1. Identify: What exactly happened? What data was leaked?
  2. Assess: Is there a risk to those involved?
  3. Report: Should the data breach be reported to the Dutch Data Protection Authority? If so, do so within 72 hours;
  4. Inform: Let those involved know what happened and what action they can take;
  5. Prevent: Implement measures to prevent recurrence.

How can I prevent a data breach? #

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Prevention is better than cure. Preventing data breaches starts with a good privacy policy and appropriate technical and organizational measures. By taking proactive measures, you can significantly reduce the chance of data breaches.

Important preventive measures:

  • Privacy by Design & Default: Ensure that privacy protection is built into systems as a standard;
  • Train employees: Make your team aware of risks and teach them how to prevent data breaches;
  • Strong access control: Limit access to personal data to authorized persons only;
  • Encryption: Use encryption to provide extra security for sensitive data;
  • Regular audits: Periodically check your security measures and adjust them where necessary.

Prevent data leaks and comply with the GDPR with BC 5701 #

An additional way to minimize the risk of data leaks is to work according to the GDPR Certification Standard and Criteria BC 5701. This GDPR standard helps your organization set up a robust privacy policy.

By implementing this standard, you can:

  • Reduce the chances of data leaks
  • Comply with the GDPR requirements
  • Increase the trust of customers and partners

Preventing data leaks? You don’t always have control over it. By detecting and reporting data leaks in time, you can prevent fines and damage to your reputation. But real protection starts with prevention. With a strong privacy policy and the implementation of the BC 5701 certification standard, you can better protect personal data and minimize risks.

Would you like to know more about the possibilities surrounding GDPR Certification Standard BC 5701?

  • BC 5701 whitepaper: More insight into the value of GDPR certification;
  • Certification criteria: A framework to meet the requirements of the GDPR;
  • Gap analysis: A thorough audit to see where your organization stands regarding GDPR. You will receive a clear report with points for improvement;
  • Certification: Testing and confirmation that your processes are set up to meet the requirements of the regulation.

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