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ZoomInfo CEO blocks researcher after documenting pre-consent biometric tracking

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ZoomInfo GTM Studio: Pre-Consent Tracking Documentation

"You can block the researcher. You can't block the evidence."

What Happened

On November 25, 2025, ZoomInfo CEO Henry Schuck posted a product demo of GTM Studio on LinkedIn — their AI-powered platform that "identifies person-level website visits."

A security researcher analyzed the GTM Studio landing page and documented extensive pre-consent tracking infrastructure. The findings were posted as a comment on the CEO's LinkedIn post.

Within minutes, the researcher was blocked.

No correction. No clarification. Just silence.

This evidence pack ensures the findings cannot be suppressed.

Key Findings

Finding Evidence 50+ tracking requests before consent Network capture shows tracking fires before consent banner loads Sardine.ai biometrics enabled enableBiometrics: true in decoded config PerimeterX fingerprinting Collector fires at request #79 (pre-consent) DNS fingerprinting active enableDNS: true in Sardine config 118 unique tracking domains Contacted on single page load Session fingerprinting Fraud detection API creates session pre-consent

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