The process was developed by Visa and is now licensed to Mastercard, so most major card providers already use this technology. And just because 3D Secure is enabled doesn’t mean you’ll always have to enter a PIN—you’ll only have to complete this step if your bank notices a possible security issue.Some users can find it difficult to tell if a 3D Secure pop-up is legitimate, as they can direct you away from the payment site. Users often mistake these pages for phishing scams. But 3D Secure only uses one-off codes, so none of your other details should ever be at risk.3DS also adds time on to the checkout process when you verify yourself—but isn’t keeping your information safe worth a few extra seconds?