Natasha receives an email with an attachment from an unknown sender. The email claims to contain an important document. What safety measure should Natasha take before opening the attachment?

Natasha receives an email with an attachment from an unknown sender. The email claims to contain an important document. What safety measure should Natasha take before opening the attachment?

Forward the email to colleagues for their opinion before opening it.

Open the attachment without any hesitation.

Disable her computer's firewall for smoother file opening.

Do not open the attachment without verifying the sender's identity and legitimacy.