Games, quizzes and trivia are another way to make money off unsuspecting victims.
Sometimes cold-texts will comes through the the option to text ‘STOP’ to cease receiving them, but this is also a scam and will cost money, sometimes up to £2 a text.
The report said: “With trivia scams, the first few questions will be very easy.
“This is meant to encourage you to keep playing. However, the last one or two questions you need to answer in order to clim your ‘prize’ could be very difficult or impossible. Do not enter.
“If you try to claim your prize, you may have to call a premium rate number (that begins with 0906 for example).
“You may then have to listen to a long recorded messages and there’s unlikely to be a prize at the end of it. Do not phone back to claim.”