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2. 3-D Secure - Wikipedia

   en.wikipedia.org/wiki/3-D_Secure

   Such pop-up windows or script-based frames lack any access to any security certificate, eliminating any way to confirm the credentials of the implementation of 3-D Secure. The Verified by Visa system has drawn some criticism, [11] [12] [13] [6] since it is hard for users to differentiate between the legitimate Verified by Visa pop-up window or ...

3. Strong customer authentication - Wikipedia

   en.wikipedia.org/wiki/Strong_customer_authentication

   [3] 3-D Secure 2.0 can (but does not always [3]) meet the requirements of SCA. 3-D Secure has implementations by Mastercard (Mastercard Identity Check) [8] and Visa [9] which are marketed as enabling SCA compliance. E-commerce merchants must update the payment flows in their websites and apps to support authentication. [10]

4. Merchant plug-in - Wikipedia

   en.wikipedia.org/wiki/Merchant_plug-in

   A merchant plug-in (MPI) is a software module designed to facilitate 3-D Secure verifications to help prevent credit card fraud. [1] The MPI identifies the account number and queries the servers of the card issuer (Visa, MasterCard, or JCB International) to determine if it is enrolled in a 3D-Secure program and returns the web site address of the issuer access control server (ACS) if it is ...

5. Add or disable 2-step verification for extra security - AOL Help

   help.aol.com/articles/2-step-verification...

   Sign in to your Account Security page. 2. Next to "2-Step Verification," click Turn on 2SV. 3. Click Get started. 4. Select Authenticator app for your 2-step verification method.-To see this option, you'll need to have at least 2 recovery methods on your account . 5. Click Continue. 6. Scan the QR code using your authenticator app. 7. Click ...

6. What's a six-digit verification code — and why you should ...

   www.aol.com/whats-six-digit-verification-code...

   Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six ...

7. Secure Electronic Transaction - Wikipedia

   en.wikipedia.org/wiki/Secure_Electronic_Transaction

   Secure Electronic Transaction (SET) is a communications protocol standard for securing credit card transactions over networks, specifically, the Internet. SET was not itself a payment system , but rather a set of security protocols and formats that enabled users to employ the existing credit card payment infrastructure on an open network in a ...