Blog/Privacy

What Data of Mine Is Circulating on the Internet Without Me Knowing?

·7 min read
What Data of Mine Is Circulating on the Internet Without Me Knowing?

Every time you sign up for an online service, share a photo on social media, or buy something online, you leave a digital trail. The question is: do you know exactly what information about you is out there?

Your digital footprint is bigger than you think

Most people have accounts on dozens of services. Each one of them stores some type of data:

  • First and last name — Almost all registrations ask for it
  • Email — The most universal and most leaked data
  • Passwords — Stored (hopefully encrypted) on each service
  • Phone number — Increasingly used as verification
  • Postal address — Online stores, delivery services
  • Date of birth — Social networks, financial services
  • Payment data — Cards saved on multiple platforms
  • Location — Photos with geolocation, map apps

How is your data exposed?

There are three main avenues:

1. Data leaks (breaches)

When a service where you're registered suffers an attack, your data is exposed. You don't need to have done anything wrong — it's the service that fails.

2. Public data you voluntarily share

Photos with location metadata, public social media profiles, forum comments with your real name... All of this is collectible.

3. Data brokers

Legal companies that collect, aggregate, and sell your data. They obtain information from public records, cookies, loyalty programs, and more.

The cumulative effect

The real danger isn't that an isolated piece of data leaks. It's the aggregation: when someone combines your email from one breach, your phone from another, and your name from a third, they have enough to:

  • Impersonate your identity to your bank
  • Create fraudulent accounts in your name
  • Launch extremely personalized phishing attacks
  • Access services that use security questions

How to know what data of yours is exposed?

  1. Scan your email — With SecuryBlack Breach Scanner you can see which leaks your email address has appeared in.
  2. Search your name on Google — Put your name in quotes and review the results.
  3. Review app permissions — On your phone, check which apps have access to your contacts, location, and photos.
  4. Check old accounts — Do you still have accounts on services you no longer use? Each one is a potential risk.

How to reduce your exposure

  • Delete accounts you don't use — Every inactive account is an open door.
  • Use email aliases — Services like SimpleLogin allow you to use disposable emails.
  • Review privacy settings on social networks.
  • Don't reuse passwords — If one leaks, the damage is contained.
  • Enable monitoring alertsSecuryBlack warns you when your email appears in a new breach.

Privacy is not about hiding

Protecting your data isn't paranoia nor does it mean you have something to hide. It's simply digital hygiene: just as you lock your house door when you leave, you should control who has access to your information online.


Want a first diagnosis of your exposure? Check your email for free and discover what data of yours has been leaked.