Controls to prevent unauthorised changes to data files
1. Only specific employees should be granted powers to amend data on computer files. These should be senior officials.
2. The computer system should maintain a log of all amendments to data files, date amended and the person who carried out the amendment. Such a log would assist in subsequent follow up and investigation of any unauthorised amendments.
3. Employees should be encouraged not to leave their computers unattended once they have logged in. people should be encouraged to log out whenever they are not using their terminals.
4. Data files that are off line should be stored securely and access restricted
5. Data files containing important data should be on read only memory;
6. Users should be granted different levels of user rights such that only specified users can make amendments to data files.
Wilfykil answered the question on February 21, 2019 at 10:54
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