Advantages and Disadvantages of Filename Encryption It can also cause problems when set up in some circumstances. Nevertheless, it is not always necessary or useful. For detailed information on the technical background, we have published this deep-dive article for you.įilename encryption effectively prevents outsiders from analyzing your data structures. It encodes the encrypted and therefore unreadable bytes of the filenames into a short, displayable form: the characters as they can be seen outside the Boxcryptor drive. This is how documents with active filename encryption look like:īehind the use of Asian characters is the Base4K method which was developed by our own developers and which is entirely open source. This transforms all contents before the Boxcryptor-typical file extension (.bc) into incoherent Asian characters. In these cases, it is recommended to activate the optional folder and filename encryption.
In some cases, however, even the filename can provide sensitive information about a file-for example, if names or content descriptions are included.
Often, for example when backing up automatically named photos from mobile devices, this is not much of a problem, since the data itself is protected and a simple numbering does not allow any conclusion about the specific content. However, in the free Boxcryptor plan (and by default in all other plans) the name and original file format of a document remain readable. If you-or an unauthorized person without access rights-try to open this data without the appropriate password, you will get useless zeros and ones. However, if you suddenly see Asian characters instead of the filenames you are familiar with, this is no reason to get nervous: Instead of hackers, our filename encryption does exactly what it is supposed to do.īoxcryptor encrypts your data as usual in the background. Have you ever accidentally opened your Dropbox folder instead of your Boxcryptor virtual drive? It happens to us from time to time as well. Help, My Boxcryptor Account Has Been Hacked? Advantages and Disadvantages of Filename Encryption.Help, My Boxcryptor Account Has Been Hacked?.
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