US Patent 11379610 Methods and devices for automatically encrypting files

An automatic file encryption method and device for automatically encrypting a file. A processor identifies a characteristic associated with likely sensitive content based on a usage pattern of encrypting files having the characteristic. Creation of a new file is detected and the newly-created file is analyzed to determine whether the file contains sensitive content based upon it having the characteristic. If the file is found to have the characteristic, then the file is automatically encrypted.