The rise of genealogy exposes personal data that scammers can exploit
NEWNow you can listen to News articles!
Millions of Americans are investigating their roots. Genealogy has quietly become one of the fastest growing hobbies in North America, and the industry is now valued at over $5 billion. From DNA kits to digital family tree creators, people discover relatives, trace migration stories, and reconnect with their past.
There is something deeply meaningful about knowing where you come from. However, there is another side to this trend that many people never consider.
The same information that helps you find your great-grandparents can also help scammers find you. Once personal data appears online, it rarely stays in one place. And that can create unexpected security risks.
Sign up to receive my FREE CyberGuy report
Get my best tech tips, urgent security alerts, and exclusive offers delivered straight to your inbox. Plus, you’ll get instant access to my Ultimate Guide to Surviving Scams, free when you join me CYBERGUY.COM information sheet.
DNA KITS CAN SHARE PERSONAL DATA AFTER DEATH

A woman looks at the contents of a 23andMe DNA testing kit in Oakland, California, on June 8, 2018. Millions of Americans using family tree platforms may be unknowingly sharing sensitive details such as maiden names and birthplaces online. (Cayce Clifford/Bloomberg via Getty Images)
What family tree sites encourage you to upload?
Genealogical platforms seem harmless. In fact, they are designed to be warm, nostalgic and personal.
To create a detailed family tree, users typically upload information such as:
- Full legal names, including maiden names
- dates of birth
- Birthplaces
- marriage records
- Address history
- Names of children, siblings and relatives.
- old family photos
- Obituaries and memorial information
Each detail may seem harmless on its own. But together they create something extremely valuable: a fully mapped identity profile. Not just you, but your entire family network. And that kind of information is exactly what scammers are looking for.
Once information is uploaded, it rarely remains private
Many genealogy platforms allow public trees by default. Even when accounts are private, information can be spread in several ways.
For example, data may appear through:
- Shared Family Trees
- Public obituaries
- Search functions
- Data extraction tools
- Third Party Integrations
Over time, this information can be searched. It can be indexed by search engines. Robots can scrape it off. Data brokers can absorb them into their databases. Once that happens, your family details will no longer be just on a genealogy website. They can appear on people search websites, background check platforms, and marketing databases. And you may never know what happened.
23andMe’s wake-up call
The recent bankruptcy of the DNA testing company. 23yyo served as a reminder for millions of users. When companies change ownership or go out of business, your data doesn’t simply disappear. Genetic data alone raises serious privacy concerns.
However, the broader genealogical ecosystem carries a similar risk. When you upload deeply personal, multi-generational information, you lose control over how long it is stored, who can access it, and where it may end up in the future. Even if you trust a company today, you can’t control what will happen tomorrow.
23ANDME PROBE LAUNCHED TO PREVENT CUSTOMER DNA DATA FROM BEING SOLD TO CHINA OR OTHER BAD ACTORS

A woman collects a DNA sample in Oakland, California, on June 8, 2018. Personal data uploaded to genealogy sites can spread across networks of data brokers, making it difficult to control where the information appears. (Cayce Clifford/Bloomberg via Getty Images)
Why Scammers Love Family Tree Data
Cybercriminals are no longer focusing solely on credit card numbers. Rather, they want context. They want personal data to help them impersonate you or bypass security checks. Family tree websites offer exactly that. Here are three ways criminals can exploit genealogy data.
1) Answer security questions
Many financial institutions still rely on knowledge-based authentication questions, such as:
- What is your mother’s maiden name?
- What city were you born in?
- What is your father’s middle name?
Unfortunately, those answers often appear directly on public family trees. With enough prior information, scammers can bypass account protections without even knowing your password.
2) Craft credible phishing scams
Now imagine receiving a message like this: “Hi Aunt Linda, I’m Jake. I’m stuck abroad and I need help.”
If a scammer already knows:
- The names of your relatives.
- Who is related to who?
- Where do family members live?
They can create very credible content. emergency scams. These are no longer random “grandparent scams.” They are personalized attacks and genealogical data facilitates that personalization.
3) Target entire families
When a person’s information is exposed, it rarely stops there. A scammer can quickly map your entire family network. They can identify:
- adult children
- elderly parents
- Siblings
- Multiple addresses
Then they can launch phishing attempts between several family members at the same time. In other words, a data breach can become a vulnerability for the entire family.
How genealogical data strengthens the profiles of data brokers
This is where the situation becomes even more worrying. Data brokers don’t just collect phone numbers and addresses. They build detailed relational profiles.
These profiles usually include:
- Domestic connections
- extended relatives
- Age ranges
- property ownership
- Income indicators
When genealogical data is deleted or resold, those profiles are strengthened. Your listing may suddenly include:
- An exact maiden name
- Verified year of birth
- Confirmed past addresses
- Detailed family connections
The richer the profile becomes, the more valuable it is, not only to marketers but also to criminals. “But I set my tree to private.” Privacy settings certainly help. However, they do not solve the entire problem.
Even if your family tree is private:
- Family members can post overlapping information
- Obituaries remain public records
- Historical records continue to be digitized
- Other users may republish or copy data.
Once information is spread across multiple websites, tracking it becomes extremely difficult. Additionally, data brokers constantly update their databases. Even if you delete your data once, it may silently reappear months later.
COULD HACKERS STEAL YOUR DNA AND SELL IT?

A technician works on a device that performs direct-to-consumer genetic testing at the University of Tokyo Institute of Medical Sciences in Tokyo, Japan, July 9, 2014. Genealogy websites can help you trace your roots, but experts warn they can also expose personal data that scammers use to target entire families. (Kiyoshi Ota/Bloomberg via Getty Images)
How to enjoy genealogy without exposing yourself
You don’t have to give up genealogy. You simply need to approach it the same way you approach social media.
Consider these precautions:
- Limit public visibility of family trees
- Avoid posting full birth dates
- Be careful with maiden names
- Delete exact address histories
- Think carefully before sharing details about living relatives.
The most important thing to remember is that the real risk is not the genealogy site itself. The risk is where that data travels next.
Prevent your family history from becoming a scammer’s manual
Once personal information enters the data broker ecosystem, it can spread far beyond the original platform. That’s why proactive privacy protection is important.
Data brokers collect and resell personal information collected from public records, websites, and scraped databases. If genealogical details, such as maiden names, birthplaces and family relationships, are incorporated into those systems, they can silently appear on people search sites and background check databases.
Over time, this information can make it easier for scammers to create detailed identity profiles. Those profiles can be used for phishing scams, phishing attacks, or attempts to bypass security questions.
You can take steps by searching your name and family members online to see what information is publicly viewable, submitting takedown requests to people search sites, and limiting what you share publicly on genealogy platforms. Taking these precautions can help prevent your family history from becoming a roadmap for scammers.
However, manually tracking and deleting your information across hundreds of sites can be time-consuming and difficult to maintain.
One of the most effective steps you can take is to use a data removal service to help remove your information from people search and data broker websites. While no service can guarantee complete removal of your data from the Internet, a data deletion service is truly a smart choice.
These services do the work for you by actively monitoring and systematically deleting your personal information from hundreds of websites. They also continue scanning for new exposures, which helps prevent your data from silently reappearing later.
It is what gives me peace of mind and has proven to be one of the most effective ways to delete personal data from the Internet. By limiting the information available, you reduce the risk of scammers cross-referencing the breach data with details they can find online, making it much harder for them to target you.
Check out my top picks for data removal services and get a free scan to find out if your personal information is already available on the web by visiting Cyberguy.com.
Get a free scan to find out if your personal information is already available on the web: Cyberguy.com.
Kurt’s Key Takeaways
Genealogy can be an incredibly rewarding hobby. Discovering where your family comes from often creates a deeper sense of connection and identity. But the digital tools that facilitate this research can also expose more information than many people realize. A family tree filled with birthplaces, maiden names, and relatives may seem harmless, but it can quietly create a roadmap for scammers. The good news is that you don’t have to stop exploring your ancestry. You simply need to share carefully, protect your data, and understand how information travels online.
Have you ever searched for your own name or those of your family members online and were surprised to see how much personal information was publicly available? Let us know by writing to us at Cyberguy.com.
CLICK HERE TO DOWNLOAD THE News APP
Sign up to receive my FREE CyberGuy report
Get my best tech tips, urgent security alerts, and exclusive offers delivered straight to your inbox. Plus, you’ll get instant access to my Ultimate Guide to Surviving Scams, free when you join me CYBERGUY.COM information sheet.
Copyright 2026 CyberGuy.com. All rights reserved.
Kurt “CyberGuy” Knutsson is an award-winning technology journalist with a deep love for technology, gear and gadgets that improve lives with his contributions to News and News Business since mornings on “News & Friends.” Do you have any technical questions? Get Kurt’s free CyberGuy newsletter, share your voice, a story idea or comment on CyberGuy.com.


