A method and system for data loss prevention controls and protects sensitive data from being printed in an unauthorized manner. A method for controlling printing activities implemented in a computer system comprises intercepting a print job comprising print data intended for a printer driver, delaying performance of the print job, analyzing content of the print data to determine whether to allow or cancel the print job based on a security policy, and resuming or canceling the print job based on the analysis of the content of the print data.