1. A method comprising: intercepting an item of glyph data directed to at least one of a printing device and a display device, wherein the item of glyph data comprises a font-specific representation of a text character associated with a device context of the at least one of the printing device and the display device; converting the item of glyph data to an item of text data based on one or more items of font-specific information; classifying one or more aspects of content in the item of text data into one of multiple classifications based on (i) the presence of one or more keywords in the item of text data, (ii) the frequency of the one or more keywords in the item of text data, and (iii) the location of each occurrence of the one or more keywords in the item of text data, wherein the one or more keywords are pre-defined as part of one or more data policies; and analyzing the classified one or more aspects of content in the item of text data against the one or more data policies to determine eligibility of the item of text data for transmission to the at least one of a printing device and a display device.