Pindrop
Pindrop authenticates callers using acoustic fingerprinting to prevent voice fraud.
Pindrop uses acoustic fingerprinting and AI to authenticate phone callers by analyzing voice signatures, device characteristics, and behavioral patterns. The company serves banks, insurers, and large enterprises to prevent fraud across contact centers and voice communications. By extracting 147+ audio features and analyzing call metadata in milliseconds, Pindrop detects spoofed numbers, deepfakes, voice morphing, and synthesized voices that traditional authentication methods miss.
Problem solved
Contact centers and financial institutions lose millions annually to phone-based fraud including spoofed numbers, voice deepfakes, and social engineering attacks that bypass traditional authentication.
Target customer
Fortune 500 enterprises in financial services, insurance, and contact centers. Specifically: top 10 US banks, top 7 US life insurers, and large organizations handling high-volume phone authentication.
Founders
V
Vijay Balasubramaniyan
CEO & Co-Founder
Georgia Tech PhD in security; previously built network management software at Siemens and Intel; founded Pindrop after experiencing credit card fraud abroad.
P
Paul Judge
Executive Chairman & Co-Founder
Georgia Tech PhD and serial entrepreneur; previous exits: CipherTrust (enterprise security), Purewire (web security), and Luma Home (mesh WiFi, acquired 2018).
M
Mustaque Ahamad
Co-Founder
Georgia Tech PhD; was Director of Georgia Tech Information Security Center (GTISC) at time of founding.
Funding history
Seed
$1M
2012
Led by Andreessen Horowitz
· Multiple VCs and angel investors
Series A
$11M
June 2013
Led by Andreessen Horowitz, Citi Ventures
· Felicis Ventures, Redpoint Ventures
Series B
$35M
February 2015
Led by Institutional Venture Partners
· Andreessen Horowitz, Citi Ventures, Felicis Ventures, Redpoint Ventures, Webb Investment Network
Series C
$75M
2016
Led by Google Capital (CapitalG)
· Andreessen Horowitz, GV
Venture Debt
$100M
July 17, 2024
Led by Unknown
· Unknown
Total raised:
$333M
Pricing
Not publicly available. Enterprise B2B sales model with custom pricing based on implementation scope, call volume, and customer size.
Notable customers
8 of top 10 US banks, 5 of top 7 US life insurers, First National Bank Omaha, Michigan State University Federal Credit Union, Affinity Plus Federal Credit Union
Integrations
IVR systems, contact center platforms, CRM systems, phone infrastructure; specific integrations not detailed in public materials
Tech stack
Vue.js (JavaScript frameworks)
imagesLoaded (JavaScript libraries)
Select2 (JavaScript libraries)
jQuery UI (JavaScript libraries)
jQuery Migrate (JavaScript libraries)
jQuery (JavaScript libraries)
core-js (JavaScript libraries)
Swiper (JavaScript libraries)
Wistia (Video players)
Webpack
RSS
Open Graph
HTTP/3
DocuSign
WordPress (Blogs)
Linkedin Insight Tag (Analytics)
Google Analytics (Analytics)
FullStory (Analytics)
Facebook Pixel (Analytics)
Demandbase (Analytics)
Crazy Egg (Analytics)
HSTS (Security)
Font Awesome (Font scripts)
Google Font API (Font scripts)
WP Rocket (Caching)
PHP (Programming languages)
Apple iCloud Mail (Webmail)
Google Workspace (Email)
Cloudflare (CDN)
Salesloft (Marketing automation)
Salesforce Marketing Cloud Account Engagement (Marketing automation)
MySQL (Databases)
Google Tag Manager (Tag managers)
Elementor (Page builders)
Yoast SEO (SEO)
Yoast SEO Premium (SEO)
WP Engine (PaaS)
OneTrust (Cookie compliance)
Mailgun (Email)
WPForms (WordPress plugins)
Essential Addons for Elementor (WordPress plugins)
Priority Hints (Performance)
Website
Competitors
Nice Systems (NICE inContact)
Broader contact center platform; Pindrop is specialized voice authentication and fraud detection.
Genesys
Full contact center cloud platform; Pindrop focuses narrowly on acoustic authentication and deepfake detection.
Nuance (Microsoft)
Broader speech recognition and NLP focus; Pindrop specializes in fraud detection via voice biometrics.
Verint
Enterprise analytics and workforce engagement platform; Pindrop is specialized voice security.
Why this matters: Pindrop has achieved market dominance in voice authentication for financial services with 8 of top 10 US banks as customers and $333M in total funding. The company's acoustic fingerprinting technology represents a defensible moat as deepfakes and voice spoofing attacks become increasingly sophisticated, making this a critical infrastructure layer for any enterprise handling sensitive voice communications.
Best for: Large financial institutions and insurers that process high volumes of inbound calls and need to prevent fraud, deepfakes, and spoofed numbers at scale.
Use cases
Bank Account Verification Calls
A customer calls their bank to request a wire transfer. Pindrop authenticates the caller by analyzing their voice acoustic signature, device fingerprint, and number validation in milliseconds. The system detects if the caller is using a spoofed number, synthetic voice, or compromised device and routes them to enhanced authentication or blocks the call entirely.
Insurance Claims Fraud Detection
An insurance company receives a call to file a claim. Pindrop analyzes 147+ audio features to identify if the voice is synthetic, morphed, or recorded. Combined with call metadata analysis, it scores the risk of the call being fraudulent and helps agents decide whether to proceed or escalate.
Deepfake Detection in Contact Centers
A large enterprise's contact center receives a call from someone claiming to be a vendor initiating a wire transfer. Pindrop's deepfake detection engine analyzes the caller's voice for signs of AI synthesis or voice morphing attacks and delivers a risk score in milliseconds to prevent social engineering fraud.
Alternatives
Vonage (formerly Nexmo)
Broader communications platform; Pindrop is specialized in voice authentication and fraud detection specifically.
Twilio
Communications infrastructure and APIs; Twilio doesn't focus on acoustic authentication or deepfake detection.
5Call
Smaller player in voice authentication; Pindrop has deeper AI/ML capabilities and stronger enterprise adoption.
FAQ
What does Pindrop do? +
Pindrop uses acoustic fingerprinting and AI to authenticate phone callers and detect fraud. The platform analyzes voice signatures, device characteristics, call metadata, and behavioral patterns in milliseconds to identify spoofed numbers, deepfakes, voice morphing, and synthesized voices. It's used by 8 of the top 10 US banks and 5 of the top 7 US life insurers to prevent contact center fraud.
How much does Pindrop cost? +
Pricing is not publicly available. Pindrop uses a custom enterprise sales model. Contact their sales team for pricing based on your organization's call volume, implementation scope, and specific use cases.
What are alternatives to Pindrop? +
Alternatives include Nice Systems (broader contact center platform), Genesys (full cloud contact center), Nuance/Microsoft (speech recognition focus), and Verint (workforce analytics). However, none specialize as deeply in acoustic authentication and deepfake detection as Pindrop.
Who uses Pindrop? +
Fortune 500 enterprises, particularly in financial services and insurance. Customers include 8 of the top 10 US banks, 5 of the top 7 US life insurers, and organizations like First National Bank Omaha and Michigan State University Federal Credit Union. 70% of Pindrop's US customers are Fortune 500.
How does Pindrop compare to Nuance? +
While Nuance focuses broadly on speech recognition and natural language processing, Pindrop specializes narrowly in voice authentication, fraud detection, and deepfake identification. Pindrop's 147+ audio feature extraction and acoustic fingerprinting are purpose-built for enterprise authentication, whereas Nuance is a broader voice AI platform.
Tags
voice authentication
deepfake detection
fraud prevention
acoustic fingerprinting
contact center security
biometrics
phone security