Question

Spear Phishing attacks commonly attempt to impersonate email from trusted entities. What security device is used in email to verify the identity of the sender?

a) Firewall
b) Antivirus
c) Digital signatures
d) Biometric authentication

Answer 1

Digital signatures are used in email to verify the identity of the sender.

Step-by-step explanation:

The security device used in email to verify the identity of the sender is digital signatures. Digital signatures use encryption technology to provide authentication and ensure the integrity of the email.

They work by creating a unique digital signature that is attached to the email, allowing the recipient to verify the sender's identity and confirm that the email has not been tampered with.