Phone fingerprinting technology company closes $11m series A funding led by Andreessen Horowitz and Citi Ventures.

Pindrop Security, a US-based phone fingerprinting technology company, has closed its $11m series A funding led by venture capital firm Andreessen Horowitz and Citi Ventures, the corporate venturing unit of financial services company Citigroup.  The round includes new investors, venture capital firms Redpoint Ventures and Felicis Ventures alongside Webb Investment Network (WIN), who previously led the company’s seed round.

The funding will be used to add resources in engineering, operations, sales and marketing in the US, Canada and Europe. Pindrop…