What Are Data Brokers and Why Do They Have Your Personal Information?

You've probably never heard of Acxiom, LexisNexis, or Epsilon—but they've almost certainly heard of you. These are just a few of the thousands of companies in the data broker industry, a massive ecosystem that collects, analyzes, and sells your personal information to anyone willing to pay.

The data broker industry generates over $200 billion annually in the United States alone. And the product they're selling? It's you.

What Exactly Is a Data Broker?

A data broker is a company that collects personal information about consumers from various sources, aggregates it into detailed profiles, and sells that information to other businesses, organizations, or individuals.

Unlike the companies you directly interact with (your bank, your employer, your favorite store), data brokers operate in the background. You've never signed up for their services, agreed to their terms, or even acknowledged their existence—yet they know an unsettling amount about you.

Types of Data Brokers

The industry isn't monolithic. Data brokers specialize in different types of information and serve different markets:

People Search Sites — Companies like Whitepages, Spokeo, and BeenVerified let anyone search for individuals by name, finding addresses, phone numbers, relatives, and more. These are the most visible to consumers.

Marketing Data Brokers — Acxiom, Experian Marketing Services, and Oracle Data Cloud collect demographic and behavioral data to help advertisers target consumers. They categorize people into thousands of segments.

Risk Mitigation Brokers — LexisNexis Risk Solutions and similar companies provide background checks, fraud detection, and identity verification services to businesses and government agencies.

Health Data Brokers — Companies like IMS Health (now IQVIA) collect and sell health-related data, including prescription histories and medical conditions.

Financial Data Brokers — Beyond credit bureaus, companies compile financial behavior data for lending decisions, insurance pricing, and employment screening.

How Do Data Brokers Get Your Information?

Data brokers are remarkably resourceful at collecting information. Their sources include:

Public Records

Government records are a goldmine for data brokers:

• Voter registration — Name, address, party affiliation, voting history
• Property records — Home ownership, purchase prices, mortgage details
• Court records — Lawsuits, divorces, bankruptcies, criminal records
• Birth, death, and marriage certificates — Family relationships
• Business filings — Corporate ownership and professional licenses
• DMV records — Some states sell driver information

Commercial Sources

Every transaction creates data:

• Loyalty programs — Your grocery store card tracks every purchase
• Credit card companies — Transaction histories reveal behavior patterns
• Retailers — Both online and offline purchases are logged
• Subscriptions — Magazines, services, and memberships
• Warranty registrations — Product registrations include personal details

Online Activity

Your digital life is constantly tracked:

• Social media — Even "private" accounts leak information through connections and metadata
• Website tracking — Cookies and pixels follow you across the web
• Mobile apps — Many apps collect location data, contacts, and usage patterns
• Search histories — Your queries reveal interests, concerns, and intentions
• Online purchases — E-commerce activity is extensively tracked and sold

Third-Party Data Sharing

Companies you do business with often sell or share your information:

• "Marketing partners" — That checkbox you didn't uncheck
• Data cooperatives — Companies pool customer data for mutual benefit
• Data breaches — Stolen data eventually makes its way to brokers
• Surveys and contests — "Free" giveaways often harvest data

What Do Data Brokers Know About You?

The breadth of information data brokers compile is staggering. A typical profile might include:

Basic Identifiers

• Full name and aliases
• Current and previous addresses
• Phone numbers and email addresses
• Date of birth and age
• Social Security number (partial or full)

Demographic Data

• Marital status and family composition
• Education level
• Occupation and employer
• Income estimates
• Net worth calculations

Property and Financial

• Home ownership status
• Property values
• Mortgage information
• Investment indicators
• Credit score ranges

Lifestyle and Interests

• Hobbies and activities
• Political affiliation
• Religious beliefs
• Charitable donations
• Magazine subscriptions
• Purchase preferences

Health-Related

• Medical conditions (inferred from purchases)
• Prescription categories
• Health insurance status
• Fitness activities

Digital Footprint

• Social media profiles
• Online behavior patterns
• Device information
• Location history

Data brokers categorize people into segments with names like "Burdened by Debt: Low Income," "Diabetes Interest," or "Gullible Elderly." Yes, really.

Who Buys This Information?

The market for personal data is enormous and diverse:

Advertisers and Marketers

The largest buyers use data to target ads, personalize marketing, and predict consumer behavior. That ad that followed you across the internet? Data brokers made it possible.

Employers

Background check companies aggregate data broker information to screen job applicants. Your social media activity, address history, and court records might influence hiring decisions.

Financial Services

Banks, lenders, and insurance companies use data broker information for risk assessment, fraud detection, and pricing decisions. Your neighborhood, shopping habits, and online behavior can affect your rates.

Government Agencies

Law enforcement and government agencies increasingly purchase data broker information to bypass the legal restrictions on direct surveillance. Why get a warrant when you can buy the data?

Landlords

Property managers use data broker services to screen tenants, checking credit, criminal history, and eviction records.

Scammers and Bad Actors

Unfortunately, people search sites make it trivially easy for stalkers, scammers, and criminals to find personal information about their targets.

Why Should You Care?

The data broker industry creates serious risks:

Privacy Erosion

You've lost control over your own story. Information you never consented to share is available to anyone with a credit card.

Discrimination

Data-driven decisions can perpetuate bias. If algorithms use your zip code, shopping habits, or browsing history to determine your access to housing, credit, or employment, you may never know why you were denied.

Security Risks

Aggregated personal information makes identity theft easier. The more data points available about you, the easier it is for criminals to impersonate you.

Personal Safety

For domestic violence survivors, stalking victims, and others with safety concerns, people search sites can be literally life-threatening.

Manipulation

Detailed psychographic profiles enable sophisticated manipulation—from targeted political messaging to predatory advertising aimed at vulnerable populations.

What Can You Do About It?

The deck is stacked against consumers, but you're not powerless:

Opt Out of People Search Sites — Most people search sites have opt-out procedures. It's tedious, but you can request removal of your information from individual sites.

Limit Data Sharing — Read privacy policies, opt out of marketing communications, and be selective about loyalty programs and apps.

Use Privacy Tools — Browser extensions, VPNs, and privacy-focused services can reduce tracking.

Monitor Your Digital Footprint — Regularly search for yourself and check what's publicly available.

Support Privacy Legislation — Advocate for stronger data protection laws like GDPR in Europe or the California Consumer Privacy Act.

The Scale of the Problem

Here's the challenge: there are hundreds of data broker sites, each with different opt-out procedures. Some make it easy; others make it deliberately difficult. Some claim to honor opt-outs but don't. Some share data with affiliates who ignore your requests.

Doing this manually takes dozens of hours—time most people don't have.

That's why we built PrivacyScan. Our comprehensive report identifies where your information appears across 200+ data broker and people search sites, then provides step-by-step removal instructions for each one. Instead of researching opt-out procedures yourself, you get a complete action plan delivered in 48 hours.

The Bottom Line

Data brokers have built a massive industry on your personal information—information you never agreed to give them. While you can't completely escape the data economy, you can take back significant control over your digital footprint.

The first step is knowing where your information is. The second is removing it.

Ready to see what the data brokers know about you? Get your personalized privacy report today.