Blue Coat Systems has agreed to acquire Solera Networks, a VC-backed Big Data security intelligence and analytics platform. Solera's software is used by cloud service providers and government agencies to detect malware, respond to security incidents and monitor real-time situations. Blue Coat will merge Solera's capabilities with its web-based threat intelligence offerings. Solera has taken in several rounds of VC backing, including a $20 million Series D round of financing from Intel Capital, Allegis Capital, Signal Peak Ventures and Trident Capital.