<p>Some word processing programs save information that not all users of the program are aware of. This information consists of a number of things. Example of that is who the writer of the document is, the time it took to write it and where on the computer the document is saved. Text that has been changed or removedcan also be saved. This information is not shown in the program and the user will therefore not be aware of its existence. If the document is opened in a text editor that only reads plain ASCII text, this information will be visible. If this information is confidential and also available to people it could become a security risk. </p><p>In this thesis I will sort out what kind of information this is and in what way it could be a security risk. I will also discuss what measures that can be taken to minimize the risk. This is done partly by studying literature combined with some smaller test that I have performed.</p>

Some word processing programs save information that not all users of the program are aware of. This information consists of a number of things. Example of that is who the writer of the document is, the time it took to write it and where on the computer the document is saved. Text that has been changed or removedcan also be saved. This information is not shown in the program and the user will therefore not be aware of its existence. If the document is opened in a text editor that only reads plain ASCII text, this information will be visible. If this information is confidential and also available to people it could become a security risk. In this thesis I will sort out what kind of information this is and in what way it could be a security risk. I will also discuss what measures that can be taken to minimize the risk. This is done partly by studying literature combined with some smaller test that I have performed.