PerimeterX today announced that it has secured $57 million in growth capital funding to expand into new geographies and vertical markets. This growth round financing brings the total amount of capital raised to $144M. AllianceBernstein led the capital raise, and was joined by new investors Stereo Capital, JS Capital and Golden Arc Capital, with strong support from existing investors Adams Street Partners, Canaan Partners, DTCP, Scale Venture Partners and Vertex Ventures US.

PerimeterX is the leading provider of solutions that protect modern web apps at scale. Delivered as a service, the company's Bot Defender, Code Defender and Page Defender solutions detect risks to your web applications and proactively manage them, freeing you to focus on growth and innovation. The world's largest and most reputable websites and mobile applications count on PerimeterX to safeguard their consumers' digital experience. PerimeterX is headquartered in San Mateo, California and at www.perimeterx.com.