03.10.2022 - Be wary of an email urging you to open an attachment. It could be a fraudulent message used by criminals to try to install malware on your computer.
An email urges you to open an attachment, usually a macro-enabled Office document. It might claim to be an invoice, order or voice message. However, the attachment contains malware that the attackers want to install on your computer. For example, it could be an e-banking Trojan with which the criminals want to gain access to your e-banking account.
How can you tell if malware has been installed? Unfortunately, it is not always easy to detect an infection. Signs can include a slower system or increased network traffic.
- Never give permission to enable macros.
- Be careful if you are urged to perform an action. This may involve clicking on a link or opening an attachment. Never enter personal data in a form that you have opened via a link in an email.
- E-Mails from a known sender can also be dangerous. Therefore, be careful if previous messages are suddenly used out of context, as the criminals might have gained access to one of your colleague's mailboxes.
Further information
Last modification 03.10.2022
