Systems and methods for efficient detection of fingerprinted data and information

摘要

The disclosed embodiments provide systems, methods, and apparatus for efficient detection of fingerprinted content and relate generally to the field of information (or data) leak prevention. Particularly, a compact and efficient repository of fingerprint ingredients is used to analyze content and determine the content's similarity to previously fingerprinted content. Some embodiments employ probabilistic indications regarding the existence of fingerprint ingredients in the repository.

主权项

1. A system for managing potential transmission of a plurality of electronic documents over a network, the system comprising:
hardware electronic processing means for generating a repository of compact fingerprints comprising a plurality of compact fingerprints, wherein each of the compact fingerprints is generated by:
selecting a subset of the plurality of electronic documents to which a particular transmission policy is applied,hashing the subset of the plurality of electronic documents to generate a plurality of corresponding hashes, andgenerating a compact fingerprint based on the plurality of hashes; hardware electronic processing means for identifying an electronic document on the electronic network with a scanning engine; hardware electronic processing means for generating a plurality of new fingerprints of the identified electronic document; hardware electronic processing means for determining probabilistic matches between the plurality of new fingerprints of the identified electronic document and compact fingerprints stored in the compact fingerprint repository; and hardware electronic processing means for determining whether to transmit the identified electronic document over the electronic network based, at least in part on a number of matching fingerprints.