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Security - Our online security guarantee

Our online security guarantee


When you choose to save online with NS&I we guarantee that your money is safe with us. In the unlikely event of money being fraudulently taken from one of your online NS&I accounts or investments by someone else, we will reimburse you in full. All we ask is that you follow our recommendations for keeping your security information safe – see Staying secure online.

Here we explain your liability and our liability under this guarantee.

Our liability for losses due to unauthorised payments

Your liability for losses due to unauthorised payments