Skyhigh Networks lets IT and security admins identify cloud services running on their networks and receive a detailed risk rating for each service. The company launches Feb. 25 at RSA Conference 2013. The company said it can apply a rating to more than 2,000 services. It enables the IT or security admin to block or apply policies to control use of specific services. Early customers include about 10 Fortune 500 customers, including Cisco, GE and Netflix.