This has been stated by German researchers in a conference on hacking, Svea Eckert, and Andreas Dewes.
How did they get it?
Thanks to web app extensions like Google Chrome, they constantly collect private data from their users.

The web pages you visit are still available even in Incognito.
They collect data from their users, starting with the history with all the pages they access.
The practice of gathering or purchasing data and metadata of all types of users is known as Data Mining.

It helps brands to get an idea of the trends, tastes, and preferences of their potential consumers.
So they can offer promotions or personalized advertising and much more effective ads & promotional offers.
This line has already been delimited by a series of laws that are apparently violated consistently.

It will be necessary to see if the EU itself takes legal measures or if the espionage is maintained.
So, what do you think about this security hole?
Simply share your views and thoughts in the comment section below.