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Facebook: The worst security mistakes - and how Criminals use them

  • Oct 09, 2025
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Facebook is for cyber-criminals is a good point of contact. Many Facebook users are committing unconsciously-safety error and therefore provide a large attack surface. In this practical tip we will show you some of the worst security mistakes and explain how to avoid this.

Facebook: security error, and cyber-crime

Facebook has now established itself as a "Big Data Pool" for On-and Offline-Criminals, as many users post private information reckless on Facebook. For cyber criminals it is with the help you have provided private information is usually a easy game to plan a hack-attack or a break-in. Recently, the anti-virus specialists from the security providers, "Kaspersky have selected" the five largest safety-errors that are made by the users.

1. Security error: to publish a Complete biography

Price do not give any private information, such as your birthday or the birth of your child, in your timeline on Facebook or restrict, at least, your information to your personal contacts. Because your birth dates or your mother's maiden name be used, among other things, in the case of banks and payment services as an additional security query.
  • You can restrict the visibility of your private information, such as their life events or their dates of birth to "Only me" or "friends". Also avoid the fact that posts written by your contacts on your timeline are visible to the public.

2. Security Error: Public Contributions

If you post on Facebook is public, you can view any Facebook user easily to the information you provided. Please make sure that your Posts address only to your friends.
  • Avoid posts that are posted by your contacts on your timeline are visible to the public, by reducing under "timeline and tagging" your information to "friends". Even better, if you are looking for your contacts, create lists, so that their contributions to the desired target audience is.

3. Security Error: Weak Password

You can use your Facebook account with a secure password. If an unauthorized Person gets your Facebook password, has gradients that Person access to a variety of personal information and all of the Chat. In addition, the Hacker can then publish in your name, contributions, or your friends contact.
  • Use a secure password. Such a password should be unique and eight to 20 characters, Uppercase and lowercase letters, special characters, and Numbers included. The best tips for a secure password you receive in our practice tip "What is a secure password?".

4. Security error: whereabouts tell

In their contributions, not the location. You also avoid a upcoming holiday to publicly announce. Such information is for burglar is a welcome invitation into your house or apartment.
  • Of course, you can send vacation photos at any time to your personal contacts within a friends list. If your private photos to be directed to all their contacts, and Facebook with an App for your Smartphone, you should turn off the so-called Geo-Tagging your photos published.

5. Security Error: Unknown Friends

Do you accept friendship requests only from Facebook users you know personally. As a "friend" receives an unknown Person access to all the information in the "friends Only"-mode items. In addition, the added Person can control when they are online and you messages with malicious Links or Spam to be sent.
  • Friends as Facebook users only with people you know personally and really well, so that your information will not be abused.

The best tips for your privacy on Facebook

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