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What the Heck is Biometric Data?

By December 3, 2025No Comments

If you have filled out any school forms lately, set up your kid’s tablet, or read the news about data privacy, you may have come across the term BIOMETRIC DATA. And if your first thought was, “What the heck is that?”- you’re not alone.

Let’s break it down.

Where Do We Begin?

“Biometric” comes from the words bio (life) and metric (measurement). In simple terms, biometric data is information about your body or behaviors that can be measured and used to identify you. Essentially the things that make you you—it’s what makes you different from everyone else.

  • Fingerprints
  • Facial recognition
  • Voice recognition
  • Eye scans
  • Behavior patterns

Why Do We Need This?

Biometric data can make life easier and secure, at least that’s how it started. Instead of remembering 50 different passwords, you can unlock your phone with your face now. Your child’s school may require this when you sign them out; you may even use this to get into your office building. Airports use it in security lines now too.

What’s the Catch?

The flip side to consider is privacy. Your fingerprint or face can’t be “changed” if it’s stolen, the way you can reset a password. That means, if the company that has this data doesn’t store it properly, your identity is at risk.

For kids, this raises even bigger questions for us. And we want you to think about it too.

What Parents Need to Know About Their Kids Biometric Data

1

It’s permanent. Unlike a password that change be changed, your kiddo’s face, voice and fingerprints are forever. And if a company’s system is hacked or misused, well that info can be compromised forever. Ask for clarity on how this data is stored. Is it locally on the device (safer) or on company servers/ cloud (riskier)?
2

It can be misused. Businesses can track and sell data about your children. Even if a company says it’s “for safety”, you never know what it can be used for that you never agreed to.
3

Kids don’t consent. This is a sticky one. Companies asking for this data are expecting kids to make privacy choices they aren’t ready to make.
4

It’s a dangerous precedent. Teaching kids that surrendering this information is a requirement for access is setting a precedent we may not yet fully understand the consequences of.
5

Legal protections are limited in the US. If your kids have already given this data over, a breach or misuse might leave you with little recourse.

What Do I Do When Apps (like Roblox) Ask for This Kind of Data?

Well, Roblox has recently made facial scans or IDs mandatory for their new chat features.[i] And now they have an ambitious new plan to expand age estimation to all users. They say it’s for safety, but this feels off to us—young users will have to give up their biometric data just to interact with friends? Yeah, this sounds scary.

Context matters here. Scanning your face to get on an airplane or to get into a banking app on your phone makes sense because the stakes are high (money and national security). But logging into Roblox? This mismatch raises huge red flags for a game that is already fighting Roblox Sexual Abuse Lawsuits.

“Even when tech companies say users’ information is secure, there have been hacks and data breaches. This year, Tea Dating Advice, an app that allows women worried about their safety to share information about men they might date, said that hackers had gained access to 72,000 images, including selfies and photo identifications of its users.”
— Jenny Gross, The New York Times

The bottom line is this: like anything else regarding your children, protect them and question why any company would require this for safety. Awareness is so key right now. Talk to your kids. The best thing we can do is stay informed, ask questions and teach our kids to be cautious with their digital “fingerprints”.

 

[i] “Roblox’s New Age Verification Feature Uses AI to Scan Teens’ Video Selfies” Wired. July 17, 2025