WhatsApp users are being warned about a ‘nasty scam’ in which fraudsters are attempting to take over people’s accounts. Consumer group Which? says there has been another uplift in the number of people reporting verification code scams and here’s what users must look out for: How does it work? The WhatsApp verification scam will begin when you’re sent an unexpected – but genuine text from WhatsApp giving you a verification code. These codes are usually triggered when you use the app for the first time, after you’ve logged out or if you’re using a new device. However in this case the code has be…