US-based Click Security has raised $17.7.m in a second round of funding led by Lightspeed Venture Partners.

Click Security, a provider of real-time security analytics, has raised $17.7m in its series B round from a consortium including Citi Ventures, the corporate venturing division of the US-based financial services corporation Citigroup.

Venture capital firm Lightspeed Venture Partners  led the B round, which also included VC peer and return backer Sequoia Capital.

To date, Click Security has raised $24.7m. The company raised $7m in 2011 in a series A round led by Sequoia Capital.

John Vrionis, partner at Lightspeed Venture Partners, said: “The business of global cybercrime, by some estimates, now exceeds $300bn annually.”