Juniper helps virtualization security vendor Altor raise $10 million

Altor's virtual firewall prevents attacks on hypervisors, virtual machines

Virtualization security vendor Altor Network has raised $10 million in a new funding round from investors including Juniper Networks.

Virtualization security vendor Altor Networks has raised $10 million in a new funding round from investors including Juniper Networks.  

Security in virtualized data centers is getting a lot of attention these days from both established names and start-ups in the IT industry. Cisco recently invested in security start-up HyTrust, while EMC, Intel and VMware announced a partnership to secure private clouds, which rely heavily on virtualization.

Cisco invests in virtualization security start-up

Altor is on a roll this week, having won the "Most Innovative Company" award at the RSA Conference in San Francisco for the product Altor VF v3.0.

Altor was founded in 2007 and announced its first product in March 2008, promising to provide visibility into data traffic between virtual machines (VM). Altor VF, the company's virtual firewall, was made available in October 2008. It is one of several products using VMware's VMsafe API, which opens the company's hypervisor to security vendors.

Altor VF is designed to stop malware outbreaks in VMs and attacks on the hypervisor, prevent workloads with different security requirements from being mixed on the same host server, and comply with auditing requirements by monitoring, reporting on and filtering virtual network traffic.

Altor's latest funding round of $10 million, announced Tuesday, includes investors Juniper Networks, DAG Ventures, Accel Partners and Foundation Capital. Juniper made the investment through its newly announced Junos Innovation Fund, a $50 million venture fund designed to give a boost to new companies in virtualization, green IT and other fields.

Alto, which previously announced a $6 million round of financing in April 2008, will use the money to expand global sales and marketing.

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