General Info & FAQs
Answers to common questions you might have.
FAQs
See all articlesWhat Is a Do Not Call Registry?
What is a Do-Not-Call Registry? Learn how DNC lists work, how individuals opt out of calls, and how Cognism uses DNC ...
What Certifications, Accreditations, Memberships or Similar Does Cognism Hold?
Explore Cognism accreditations, including ISO 27001 certification and SOC 2 Type II compliance, supporting strong dat...
How Are Data Subjects' Opt-Out Requests Actioned?
Learn how data opt out requests are submitted, verified, and processed securely through Cognism’s Privacy Centre in l...
Cognism Data
See all articlesMatching logic explained
OverviewMatching logic determines how Cognism identifies the correct Contact or Account when you search, preview, enr...