There is a risk of an investigation: fraudsters use “social engineering” to gain the trust of their victims. If criminals gain access to their victims' sensitive data, this can have serious consequences.

The Federal Criminal Police Office (BKA) and consumer advocates regularly urge people to be particularly careful. The BSI advises citizens to follow the following rules to reduce the risk of social engineering scams: Use personal data sparingly. Be careful about what personal information you disclose there, as it can be collected and used to deceive you.