Pindrop

Pindrop is an American security technology company founded in 2011 that verifies who is on the other end of a call or interaction. It combines voice biometrics, machine learning and signal analysis to authenticate legitimate users and to identify fraudsters, extending its work from contact-centre phone fraud into virtual meetings and digital channels. Its platform analyses hundreds of signals from every voice and video interaction to establish identity.

The company's products include a voice biometric authentication platform, a synthetic-media detection system designed to spot AI-generated audio and video such as cloned voices and fake video, and contact-centre fraud prevention tooling. The last of these is deployed at 8 of the top 10 American banks; the customer base also includes Fortune 500 companies across banking, insurance, healthcare, retail and contact-centre operations. Pindrop is venture-backed, with investors including Andreessen Horowitz and CapitalG, and operates primarily in the United States.

The engineering team works across voice biometrics, machine learning, security, deepfake detection, audio and video signal analysis and identity authentication. Most employees come from security and research backgrounds, and the company's stated focus is on keeping pace with rapidly evolving AI-generated threats. Pindrop grew out of a startup exploring phone fraud and now describes its work as redefining how trust operates in an era of cloned voices and fabricated video.