Raises $9.5M in Funding, a Belmont, CA-based company designed to mitigate Distributed Denial of Service (DDoS) attacks, raised $9.5m in funding.

The round was led by Bessemer Venture Partners. In conjunction with the funding, David Cowan, a partner of Bessemer and the co-founder of VeriSign, joined’s board, along with Jay Adelson who has created companies including Equinix, Digg, Revision3, SimpleGeo and Opsmatic.

and an executive team of the nation’s top DDoS experts, including Prolexic Technologies’ Founder and DDoS mitigation pioneer

came out of stealth mode

Founded in December 2012 by Barrett Lyon, CTO, Joe Daly, VP of Network Operations, and Chris Risley, CEO, provides businesses and organizations with tools to protect against the new generation of massive and sophisticated DDoS attacks while delivering the highest levels of Internet application performance. The company has been operating in stealth mode to date to build a DDoS defense network scaled and architected for the protection of today’s critical infrastructure. was incubated in the Menlo Park office of Bessemer Venture Partners.



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