Therefore, it is important to secure your Whatsapp account using two-step verification. You can do this by following a few simple steps in this manual: https://faq.whatsapp.com/general/verification/about-two-step-verification/?lang=en
Two-step verification in Whatsapp
Whatsapp is one of the most widely used communication applications. It is linked to your telephone number but is prone to several attacks by which an attacker can take over control of your account enabling them to read your messages and send messages on your behalf.