Piston Cloud has raised $8 million in new funding to fuel its push its enterprise-focused OpenStack offerings. The series B round for Piston (see disclosure) includes money from new investors Cisco Systems, Data Collective and Swisscom Ventures. In addition, Divergent Ventures, Hummer Winblad and True Ventures, which all participated in a $4.5 million Series A round last year, also contributed.

Piston Cloud Computing, Inc. is a software company founded in 2011 by several of the creators of OpenStack.

The Piston Cloud executive team includes Zimbra General Manager Jim Morrisroe, former NASA Nebula Chief Technical Architect Joshua McKenty, former Rackspace luminary Christopher MacGown and former NASA Communications Director Gretchen Curtis.

Our core product, Piston Enterprise OpenStack™, is a massively scalable private cloud operating system built on OpenStack, with a focus on ease of use and advanced security features for highly regulated environments.