Technique
Data Brokers
Also known as: People Search Sites, Data Aggregators, Information Brokers, Information Resellers, Consumer Data Companies, Consumer Reporting Agencies
Companies that collect, aggregate, and sell personal information about consumers they have no direct relationship with. Data brokers compile profiles from public records, social media, purchase histories, web browsing, mobile apps, and other sources, creating detailed dossiers on hundreds of million…
Common attack flows
How it fits in a scam
Defense
How to defend against this
How to spot it
- Receiving scam calls with accurate personal details from unknown sources
- Finding your info on people search sites you never signed up for
- Getting targeted solicitations shortly after life events like moving or marriage
- Unknown callers who know your name and address before you identify yourself
- Personalized phishing referencing specific details you have not publicly shared
- Repeated re-targeting by different scammers after falling for one scam (revictimization pattern)
- Unsolicited mail from companies you have never interacted with using correct personal details
Further reading
Privacy Rights Clearinghouse
Comprehensive overview of data broker practices and opt-out info
DeleteMe Blog
Practical guide to data broker landscape
Privacy Rights Clearinghouse
Comprehensive overview of data broker practices, opt-out info, and California DROP platform
DeleteMe Blog
Practical guide to data broker landscape and removal services
CFPB Proposed Rule (Dec 2024)
Federal proposal to classify data brokers as consumer reporting agencies under FCRA
Lawfare - Data Brokers and Elder Fraud
DOJ prosecution of Epsilon, Macromark, and KBM for selling consumer data to scammers targeting elderly Americans
Brennan Center for Justice
Analysis of data broker regulatory gaps and government surveillance via commercial data purchases
Privacy Rights Clearinghouse Tutorial
Tutorial on data broker types: people search, marketing, and risk mitigation products
National Cybersecurity Alliance
Consumer guide on data broker risks and protection strategies