Safe online: How to stay safe on Facebook and Co.

Scroll through Facebook a little on the train, post a picture of the meal for Instagram during the lunch break, use Google Maps to look for the new restaurant on the way home. Everyday life is more dependent on messengers, social networks or other applications than ever before. Why not, it's fast, convenient and mostly free. But we forget too easily what price we pay with every kilobit that corporations collect from us.

Everyone knows this feeling. You just chatted innocently with a friend or colleague about a holiday in Madrid, and all the adverts on the internet were immediately full of travel offers and travel agencies. You wonder for a moment how that can be and forget the whole thing again. But when did we become so indifferent to our privacy? The treasure of secrets that used to be kept so high by the secrecy of letters or medical confidentiality is now voluntarily disclosed, like the three cents change at the bakery. It is true that there are often these one or two technicians in friends or work environments who preach the use of protection programs, but they are definitely exaggerating. Or not? In fact, it is often observed

Safe online: How to stay safe on Facebook and Co.

Safe on the web

So maybe we should listen a little more when we're talking about microphones and cameras that have been switched on unnoticed, ongoing location sharing or the terabytes of data that Facebook and Co. collect about us. In return, sentences such as "What do they want with my data?" or "I have nothing to hide!" are quickly heard. Really not? No unpleasant picture, which was perhaps only intended for your loved one? No flippant text or voice message in which you really let go of someone or something? No location notification documenting exactly when you're home, is there?

Try to imagine what is possible if this was just the bare minimum tip of the iceberg. Try to understand what that data could mean in the hands of the wrong people. By the way, we're not just talking about criminal offenses, like a burglary while you're tweeting about your vacation. It is precisely their data that is sold, traded or used to companies legally or in a legal gray area. Due to different company headquarters around the world, the corporations are no longer bound by German data protection law, cases of which became known some time ago on Facebook and WhatsApp .

Finally, everyone must know for themselves how they want to deal with their privacy. However, even software with VPN or other protective measures can no longer reverse the damage that has occurred. It is now up to them to be more sensitive to their data or that of other people in their lives. Above all, they should be aware of their responsibility for their children. Because they will tell you the same thing that you said to the technology friend mentioned at the beginning. Just so they hopefully know a little bit better now.

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