To prevent identity fraud, keep your National Insurance number safe. Do not share it with anyone who does not need it. HMG https://www.gov.uk/national-insuran

To prevent identity fraud, keep your National Insurance number safe. Do not share it with anyone who does not need it. HMG https://www.gov.uk/national-insurance/your-national-insurance-number https://www.gov.uk/national-insurance/your-national-insuranc...