Few days back my grandpa age 60+ WhatsApp has been hacked , because he has many groups in WhatsApp n unwanted apps. (Just know after this incidents about group n apps)

What happened is, the hacker WhatsApp my grandma n ask for few thousand n pretend be like my grandpa. By the time she asking why he need such amount my grandpa is entering the house while speaking with someone.

She shocked n do a report about this issue.
Hacked so easy pretend n txt via WhatsApp it's like take control my grandpa handphone. He just using vivo but not sure what model