1. A method for preventing unauthorized disclosure of secure information, the method comprising: receiving, by a protect agent installed at a first egress point, digital information including a first text, the first text including a plurality of words; identifying, by the protect agent, a first candidate entity, the first candidate entity corresponding to a particular word of the plurality of words; comparing, by the protect agent, the first candidate entity against a plurality of registered entities stored in an entity database; and performing, by the protect agent, a security action when the first candidate entity matches against a particular registered entity of the plurality of registered entities.