Computer security company McAfee is paying $389 million for Stonesoft Oyj (Nasdaq OMX Helsinki: SFT1V).

Stonesoft, headquartered in Helsinki, Finland, develops network firewall products. McAfee expects the deal to strengthen its network security position. The company’s security offerings, including data protection and email security, are used by businesses and individuals.

Santa Clara, Calif.-based McAfee, which is owned by Intel Corp. (Nasdaq: INTC), plans to integrate the two sets of products. Intel acquired McAfee for about $7.7 billion in 2010.

Past deals by McAfee include database security business Sentrigo in March 2011, the purchase of NitroSecurity Inc. in October 2011 and the $33 million acquisition of Solidcore in May 2009.

Recent software security deals include JMI Equity and Investor Growth Capita's $31 million investment in WhiteHat Security, a web security company, private equity firm Behrman Capital's purchase of cyber-security provider Tresys Technology and TA Associates' majority investment in DigiCert Inc.

Morrison & Foerster was legal counsel to Intel and McAfee.

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