Websense is set to add information leak prevention technology to its offerings with the acquisition of PortAuthority Technologies. Websense said it will pay approximately $90 million in cash to acquire the company.

PortAuthority's technology prevents the unauthorized use or disclosure of confidential data, while Websense's solutions protect users and data from external malicious threats. Websense expects the new combined offering to make it a best-of-breed security software company.

"This acquisition is a natural evolution for both companies given the synergies between Websense's security software, research and content classification, and our award-winning information leak prevention software," said Pete Foley, PortAuthority CEO.