How Secure Is Comerica Bank's Web Banking System?

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Comerica Bank's customers who use its online banking system benefit from the multiple levels of security designed to protect their accounts and personal banking details. These include an industry-standard multifactor authentication (MFA) process and the requirement to create a user ID with eight to 15 alphanumeric characters and a complex password that the company encourages its customers to change every six months. Comerica Bank also has a security alert system in place to notify customers about scenarios such as a change in their security question, a password change and updates to their personal information. Discover more about these and other Comerica Bank online features and learn how they’re beneficial.

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