Information security
Information security means the administrative and technical measures taken to ensure confidentiality of data, which means that the data is only accessible by those who are entitled to use it, integrity of data, which means that the data can only be modified by those who are entitled to do so, and availability of data, which means that the data and information systems can be used by those who are entitled to use them.
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You can get more information about information security on the website of the National Cyber Security Centre.