BEIJING, Jan. 17, 2014 (GLOBE NEWSWIRE) -- 21Vianet Group, Inc. (Nasdaq:VNET) ("21Vianet" or the "Company"), the largest carrier-neutral internet data center services provider in China, today announced that the Company was granted the Trustworthy Cloud Service certification by the Ministry of Industry and Information Technology ("MIIT"). 21Vianet was among the first few companies in China which received the Trustworthy Cloud Service certification. In an effort to improve the security and stability of cloud services in China, the MIIT conducted China's first certification review evaluating the security and trustworthiness of various cloud service solutions in 2013. The MIIT granted the certificate to 21Vianet upon completion of a stringent evaluation process which analyzed its cloud services on 16 sets of criteria defined in the international standards of the Service Level Agreement (SLA) including: efficiency of data management, quality of service, and level of intellectual property right protection. Structured on an open platform, 21Vianet's cloud services proved to meet the rigorous SLA standards in terms of stability and security. Specifically, 21Vianet's Windows Azure guarantees service uptime of up to 99.95%, providing customers with the most comprehensive and secure disaster recovery service and allowing a high level of interoperability that supports the exchange of customer data over various programming languages and operating systems. Mr. Wing-Dar Ker, president of 21Vianet's Microsoft Cloud Operation, stated: "As the leading carrier-neutral internet infrastructure and data center services provider in China, receiving this certification from China's state technology authority is a testament to our success, leadership and importance in the development of China's cloud computing industry. 21Vianet, together with Microsoft China, is committed to bringing high-quality, trustworthy cloud service solutions to users in China by emphasizing improved stability, security and network quality. With our recognized market leadership, operational expertise and expanding service offering, we're confident that 21Vianet is poised to capitalize on the growth opportunities in China's burgeoning cloud computing industry."