Atlanta-based voice biometrics and 'phone fingerprinting' anti-fraud firm Pindrop has raised $75M in funding, with Google Capital taking a lead,While Pindrop's core technology has been phone fingerprinting, which helps to identify devices by their acoustic signature, the firm is looking to expand that technology by combining phone fingerprinting with voice biometrics to power an authentication capability.”Voice captures both content and intent,” Vijay Balasubramaniyan, co-founder, CEO and CTO of Pindrop Security told eWeek. “We want to be able to authenticate the voice channel by being able to identify the right person using the right device using the right behavior.”Balasubramaniyan's view is that passwords are the weakest form of security. The approach he's trying to build with Pindrop will have multiple levels of inspection to provide a secure form of authentication for voice calls.

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