GDPR for Employees Course (EU): Personal data breaches

Themaquiz zonder tijdslimiet: 18 vragen over Personal data breaches, met een uitleg na elk antwoord. Vragen en antwoorden worden elke keer gehusseld.

  • Cursus
  • Europese Unie
  • 100 vragen
  • Gecontroleerd op 13 oktober 2026
  • Feiten gecontroleerd op 13 oktober 2026
Begin met de lessenGDPR for Employees Course (EU): Lessons: ongeveer 150 minuten leestijd. Elke testvraag wordt in de lessen behandeld.

Themaquiz 6: Personal data breaches

  1. Vraag 1 van 18

    Which of these is a personal data breach?
    Toon antwoord

    Antwoord: A. A customer's details are emailed to the wrong person

    A personal data breach includes unauthorised disclosure of personal data, even by accident (Article 4(12) GDPR).

  2. Vraag 2 van 18

    Ransomware encrypts customer records so staff can no longer open them. What type of breach is this?
    Toon antwoord

    Antwoord: A. Availability breach

    An availability breach is the accidental or unauthorised loss of access to, or destruction of, personal data.

  3. Vraag 3 van 18

    Someone without permission changes the bank details in several employee records. What type of breach is this?
    Toon antwoord

    Antwoord: D. Integrity breach

    An integrity breach is the unauthorised or accidental alteration of personal data.

  4. Vraag 4 van 18

    You think you may have caused a data breach at work. What should you do first?
    Toon antwoord

    Antwoord: C. Report it internally straight away, following your procedure

    The controller has strict deadlines, so possible breaches must be reported internally at once to the right contact, following your procedure.

  5. Vraag 5 van 18

    Where feasible, within how many hours of becoming aware must the controller notify the authority of a breach?
    Toon antwoord

    Antwoord: A. 72 hours

    Article 33(1) GDPR: without undue delay and, where feasible, not later than 72 hours after becoming aware of it.

  6. Vraag 6 van 18

    Who does the controller notify about a personal data breach under Article 33?
    Toon antwoord

    Antwoord: D. The data protection authority

    Article 33 GDPR requires notification to the competent supervisory authority, which is the national data protection authority.

  7. Vraag 7 van 18

    In which case may a controller decide not to notify the authority of a breach?
    Toon antwoord

    Antwoord: C. When it is unlikely to result in a risk to people

    Article 33(1) GDPR: notification is not needed if the breach is unlikely to result in a risk to people's rights and freedoms. It must still be documented.

  8. Vraag 8 van 18

    When must the affected people themselves be told about a breach?
    Toon antwoord

    Antwoord: A. When it is likely to result in a high risk to them

    Article 34(1) GDPR: people must be told without undue delay when the breach is likely to result in a high risk to their rights and freedoms.

  9. Vraag 9 van 18

    Which breaches must the controller document?
    Toon antwoord

    Antwoord: D. All of them, even those not notified

    Article 33(5) GDPR requires the controller to document every personal data breach, its effects and the action taken, even if it is not notified.

  10. Vraag 10 van 18

    A processor discovers a breach of data it handles for a controller. What must it do?
    Toon antwoord

    Antwoord: C. Tell the controller without undue delay

    Article 33(2) GDPR: the processor notifies the controller without undue delay after becoming aware of a breach.

  11. Vraag 11 van 18

    An encrypted tablet is stolen. The key was not stolen and there is a backup. What does the EDPB say?
    Toon antwoord

    Antwoord: A. Document it; people generally need not be told

    If strong encryption keeps the data unintelligible, telling people is generally not required, but every breach must be documented.

  12. Vraag 12 van 18

    An unencrypted laptop with no password, holding the names, addresses and dates of birth of over 100,000 customers, is stolen. What does the EDPB say should happen?
    Toon antwoord

    Antwoord: B. Notify the authority and tell the customers

    Without encryption or a password the data is easy to access, and customers could suffer identity fraud. The risk is high, so the authority must be notified and the customers told.

  13. Vraag 13 van 18

    The controller does not yet have all the facts about a breach when the 72 hours run out. What should it do?
    Toon antwoord

    Antwoord: C. Notify anyway and add details in phases

    The EDPB says information may be given in phases if it is not all available within 72 hours.

  14. Vraag 14 van 18

    A controller becomes aware of a breach on Tuesday at 10:00. Where feasible, what is the latest time to notify the authority?
    Toon antwoord

    Antwoord: B. Friday 10:00

    72 hours after Tuesday 10:00 is Friday 10:00 (3 days x 24 hours).

  15. Vraag 15 van 18

    A company's worldwide annual turnover is €900 million. What is the highest fine in the top band (€20 million or 4%, whichever is higher)?
    Toon antwoord

    Antwoord: C. €36 million

    4% of €900 million is €36 million, which is higher than €20 million, so €36 million is the maximum.

  16. Vraag 16 van 18

    Read the description. What type of breach is this?

    Marek works at the reception of Linden Physiotherapy. On Monday at 11:20 he meant to send a supplier an order form. By mistake he attached a list of 120 patients with their names, phone numbers and treatment notes, and sent it to orders@supplyhouse.example.com. He noticed the mistake at 11:35.

    Toon antwoord

    Antwoord: C. Confidentiality breach

    Personal data was disclosed to someone not authorised to see it. That is a confidentiality breach, even if accidental.

  17. Vraag 17 van 18

    Read the description. What should Marek do now?

    Marek works at the reception of Linden Physiotherapy. On Monday at 11:20 he meant to send a supplier an order form. By mistake he attached a list of 120 patients with their names, phone numbers and treatment notes, and sent it to orders@supplyhouse.example.com. He noticed the mistake at 11:35.

    Toon antwoord

    Antwoord: A. Tell his manager or data protection contact at once

    Staff should report a possible breach internally straight away so the controller can assess it and meet the 72-hour deadline.

  18. Vraag 18 van 18

    Read the description. Why is this breach likely to be treated as more serious?

    Marek works at the reception of Linden Physiotherapy. On Monday at 11:20 he meant to send a supplier an order form. By mistake he attached a list of 120 patients with their names, phone numbers and treatment notes, and sent it to orders@supplyhouse.example.com. He noticed the mistake at 11:35.

    Toon antwoord

    Antwoord: C. The treatment notes are health data, a special category

    Treatment notes are data concerning health, a special category, so the risk to patients is higher.