3. The method of claim 1 , wherein the first signature is configured to identify the confidential data by virtue of comprising one of a hash value or a fingerprint.
1. A method in a computer system, comprising: preventing confidential data loss by verifying a print job, using one or more processors of the computer system, comprising in response to a print command, examining print job information, wherein the print job information is associated with the print job, and the print job is configured to be processed to produce a printed version of a document, determining whether the document comprises confidential data by calculating a first signature for the document, and processing the first signature using policy information, wherein the policy information comprises information indicating that one or more devices support authentication using a Lightweight Directory Access Protocol (LDAP) server, information for a machine learning technique configured to identify the confidential data, an alphanumeric sequence associated with the print job, and one or more internet protocol addresses of one or more devices associated with the computer system, the policy information is configured to be used in making a first determination as to whether the document comprises the confidential data, the first signature is configured to identify the confidential data within the document, the processing produces a result that indicates the document comprises the confidential data, in response to the first determination indicating that the document comprises the confidential data, and making a second determination as to whether to print at least a portion of the document, wherein the determination is based on the result.