Check your accounts regularly. Look for transactions you don t remember making or recognise. If in doubt, note the details and report it to our helpdesk immediately on 0845 456 1454. The helpdesk lines are open from 10.00 to 17.00 on Monday, and from 09.00 to 17.00 Tuesday to Friday. Outside of these hours you can leave a voicemail message, which will be picked up on the next working day.