Session: How to navigate the Internet safely?

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80% of people do not trust that their data is safe with internet companies. That means once they have a choice, people will start to leave. Marc Al-Hames, Managing Director at Cliqz, shows why people are right to do so and how they can protect their privacy.

Marc Al-Hames shows how individually useful digital services can be combined and thereby turned into a harmful tool. He demonstrates, for instance, how to receive a license plate of a Porsche and the owner's name via an online auction. He can get the father's name of the owner via another service that let citizens check if they are registered for voting. With that data collected you can actually print out your own birth certificate using a third legal service and claim you are the owner of the car.

This is usually also all information you need to reset a gmail account, Marc adds. There are a lot of other cases where the combination of different data points lead to information you would probably not like to disclose to just everyone. And this is only the data that is legally available – for anyone to obtain.

The problem is that today, you are not able to opt out anymore. Facebook for example even tracks people that are not Facebook users via their like buttons. Because of realtime bidding for advertisement, it does not matter who has tracked you because the data is combined and publicly available on the market. He demonstrates how easily it is to identify someone by just having his or her browser history. Even if you think you have nothing to hide, we have "social layers" – usually we do not want to share every personal information with, for instance, our boss or strangers.

What can you do for now? Choose your browser wisely. In Germany, Mark recommends to use Cliqz, the browser his startup has developed. You can also use Firefox with the add-on NoScript or use the Tor browser.

Mentioned in this live blog

Marc Al-Hames
Managing Director CLIQZ

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