True: Using a password to prevent people from opening a document is a good method of keeping a file secure, You can set a password to allow a document to be opened but not changed, on a spreadsheet you can lock the cells with ormulas in to prevent them from being changed, Passwords should be a mixture of numbers, letters and symbols, By setting up user names to access a computer or network, different access levels can be given, Encryption requires a key(code) to unscramble the data so it can be read, A simple way to avoid data being changed by accident is to set a file to 'read only', Files that are stored in folders with meaningful file names are easy to find, A company must take precautions to keep any' personal data' safe,

Data loss and security

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