The rapid growth of mobile devices that can access corporate networks and data, the expanding use of cloud-based IT services, and the increasing popularity of apps such as online banking mean that IT needs to pay closer attention to authentication.

Ensuring that users are who they claim to be can keep enterprises from experiencing damaging security breaches and the loss or theft of data.

For many companies, the multi-factor (or two-factor) approach to authentication -- the process of identifying an individual based on more than one factor such as a user name, password, smartcard or biometric attribute -- promises the best way to ensure someone's true identity.

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