The business had previously received investment from firms including Kennet Partners, Camden Partners, Trident Capital, Medina Capital and corporate venture giant Intel Capital.
Prolexic provides security services for protecting data centres and enterprise IP applications from distributed denial of service (DDoS) attacks.
Akamai CEO Tom Leighton said, “Any company doing business on the Internet faces an evolving threat landscape of attacks aimed at disrupting operations, defacing the brand, or attempting to steal sensitive data and information.
“By joining forces with Prolexic, we intend to combine Akamai’s leading security and performance platform with Prolexic’s highly-regarded DDoS mitigation solutions for data center and enterprise applications protection.
“We believe that Prolexic’s solutions and team will help us achieve our goal of making the Internet fast, reliable, and secure.”
The funding, which also came from private investors, will go towards CounterTack’s go-to-market strategy for its real-time threat detection software.
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