Firstly, directly contact the person they are claiming to be. Ask if they have messaged you from a different number. If they haven’t and you haven’t yet sent any personal or private information to the scammer, you should block and report the scammer.
Never directly respond to the scammer. They may sell your details to other scammers who will bombard you with spam messages or calls.
Note the number that the scammer is contacting you from and any other information, such as a profile photo. If you can, take a screenshot – this will be helpful information to include when reporting the scammer. You can report the phishing scam to the National Cyber Security Centre (NCSC).
If you have already given the scammer information, here’s the next steps you can take: