Websense, a Web security and filtering software company, will acquire PortAuthority of Palo Alto for about $90 million.

PortAuthority, which sells an information leak prevention technology, had raised about $46 million in financing from ALP Enterprises, CAP Ventures, Greylock, Lexington Ventures, NEA and Sequoia Capital. The money was raised over five years, so this investment looks to be about break-even.

(This story originally posted 12/21)

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