Agari was formed out of technology first created by IronPort Systems, and further developed at network equipment provider Cisco after it acquired IronPort Systems in 2007.
An undisclosed strategic investor and venture capital firms Alloy Ventures, Battery Ventures, First Round Capital and Greylock Partners have invested $5m in Agari, a US-based email security service.
In November 2011, Agari, which was formerly known as Authentication Metrics, raised $2.5m in its series A round from the VC firms.
Agari was formed out of technology first created by IronPort Systems, and further developed at network equipment provider Cisco after it acquired IronPort Systems in 2007.
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