Hello and welcome to help and support @report_phishing
These types of texts attempt to obtain your giffgaff login details.
Please DO NOT insert any details or click on the link within the text message.
Here are the steps you should take should you feel that your account may have been compromised
Please contact our agents via this link who can advise with you with the relevant steps to take to safeguard your account: https://giffgaff.com/profile/details#passwd
If you suspect your bank details may have been compromised as a result, alert your bank as soon as possible.
We hope this has helped you today