File attributes are specific properties of
a file. You can use two file attributes when defining data identifiers,
namely, file type and file size. For example, a software development
company may want to limit the sharing of the company’s software
installer to the R&D department, whose members are responsible
for the development and testing of the software. In this case, the
OfficeScan administrator
can create a policy that blocks the transmission of executable files that
are 10 to 40MB in size to all departments except R&D.
By themselves, file attributes are poor identifiers of sensitive
files. Continuing the example in this topic, third-party software
installers shared by other departments will most likely be blocked. Trend Micro therefore
recommends combining file attributes with other DLP data identifiers
for a more targeted detection of sensitive files.
