California-based cybersecurity startup Shape Security has secured $51 million in a growth equity funding round.

The latest funding, conducted by C5 Capital, has brought total capital raised by Shape Security to date to $183 million.

Existing investors, Kleiner Perkins, HPE Growth, Norwest Ventures Partners, Focus Ventures, JetBlue Technology Ventures, Top Tier Capital Partners, and EPIC Ventures, also joined the round.

Shape Security expects to use the proceeds raised from the round, which brings the startup's pre-money valuation to $1 billion, to scale international operations and accelerate artificial intelligence development.