Cisco to buy OpenDNS for $635 million to boost security business

Cisco Systems Inc (CSCO.O) said on Tuesday it would buy OpenDNS, a privately held cloud-based security firm, for $635 million, the latest move to boost its security business as cyber attacks increase in number and sophistication. Cisco has been buying a number of security companies, which has made its relatively tiny security business one of its fastest growing in the past two years.
Cisco to buy OpenDNS for $635 million to boost security business