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The way we keep you secure when you're shopping online is changing on 24th October. From then, you'll no longer have to remember any usernames or memorable questions when you shop online. Mastercard 3D Secure makes it quicker and easier to pay with your thinkmoney card online - even on your mobile!

Sometimes, you'll be asked to enter a “One Time Passcode” (OTP) when you pay on the retailer's website. We'll text or email the OTP to you - you can decide which you prefer each time.

It's important that we have your up-to-date email address and mobile number, so we can send you your unique passcode when needed. You can update your details anytime - just login to Online Account Management and click on Personal Details.

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