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A data broker collects, combines and provides personal information from several sources. The problem: you often have no direct relationship with them and little visibility into the profile they hold.
A data broker is more than a site selling a list. It may collect, match and enrich information before displaying it, renting access to it or selling it to other organisations.
The broker receives information from directories, forms, apps, partners or sources accessible online.
Names, emails, phone numbers, addresses and technical identifiers help match sources and avoid duplicates.
Declared, observed or estimated attributes are added to describe a person, household, interests or behaviour.
Depending on its business, the broker displays, rents, shares or sells this information to other organisations.
Sources can be visible or indirect. A form completed once for an event, an information record or a device identifier may be reused, enriched and passed on again.
A registration, order or entry can feed a marketing database, directly or through a partner.
Advertising identifiers, browsing signals and device-related data can circulate in the advertising ecosystem.
Published information can be copied, matched and presented in a new context or on a people-search website.
An intermediary may buy or receive an already enriched database, making its origin and circulation difficult to trace.
Contents vary by broker. Some details are declared, others observed or statistically estimated. Your right of access lets you ask what data is actually held and where it came from.
Name, postal and email addresses, phone number, age or links to public profiles.
Occupation, company, estimated household composition, residential area or inferred life events.
Purchase categories, interests, browsing, campaign responses or marketing segments.
Geographical area, advertising identifier, IP address or other signals associated with a browser or device.
A useful request targets the right organisation. You can research it yourself or bring the search together to avoid juggling searches, forms and tracking sheets.
The GDPR includes rights of access, objection and erasure. The right to use depends on the situation. Sending a request is not yet confirmation of removal.
Identify the responsible entity, its privacy policy and the channel for exercising your rights.
Access, objection, rectification or erasure: the right request depends on the use of your data and the outcome you want.
Identify the data concerned, keep dated proof and provide only the supporting documents that are genuinely needed.
The usual deadline is one month. Record any extension, refusal or lack of response before considering a complaint.
Data Knight turns separate searches, requests and follow-ups into a central process. Each action depends on what you selected and authorised, and results reflect the replies actually received.
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A data broker is a company that collects, combines, enriches and then shares or sells information from several sources. It can build a profile without having a direct relationship with you, using directories, forms, apps, partners or other brokers, for example.
You can search for your name, phone number or address on directories and people search websites, read privacy policies and exercise your right of access with the organisations concerned. A Data Knight scan brings this research together and assesses brokers or directories where a match is found.
Depending on its business and sources, a broker may process contact details, professional information, interests, shopping habits, technical identifiers, location data or estimates derived from other information. Your right of access lets you ask what it actually holds and where the data came from.
Yes, when the conditions for the right to erasure are met. You can also object to processing, particularly for direct marketing, or request access and correction. The appropriate right depends on how the data is used, the legal basis and any retention obligations that apply to the broker.
Not automatically. An organisation may ask for additional information if it has reasonable doubts about your identity, but verification must remain proportionate. It should not routinely require a full copy of your ID when your identity is already sufficiently established.
It must respond without undue delay and, in principle, within one month. It may extend that period by two months for complex or numerous requests, but it must tell you and explain the extension within the first month.
A profile can be recreated if the broker collects information again from an active source, a partner or another intermediary. Confirmed removal covers the database concerned at a particular point in time. Monitoring for reappearance helps identify new collection and take further action where needed.
