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ACCA Applied Knowledge · Business and Technology · Financial systems and technology

A company's finance system holds customer payment details. Management wants to ensure that, if a laptop containing downloaded data is stolen, the data cannot be read by the thief. Which control is most appropriate?

Encryption of the data on the laptop is the most appropriate control. It makes the stored information unreadable without the key, so a thief cannot use it. Backups protect availability rather than confidentiality, and a network firewall gives no protection once the laptop is outside the network.

  1. AEncryption of the data held on the laptopCorrect
  2. BRegular backup of the data to a remote location
  3. CInstallation of a firewall on the company network

Explanation

Encryption makes stored data unreadable without the decryption key, so a stolen device does not expose its contents. Backups protect availability, not confidentiality, and a network firewall does not protect a device that has left the network.

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