(f) Multi-Factor Authentication means authentication through verification of at least two of the following types of authentication factors:
(l) Risk-Based Authentication means any risk-based system of authentication that detects anomalies or changes in the normal use patterns of a Person and requires additional verification of the Person’s identity when such deviations or changes are detected, such as through the use of challenge questions.
(1) the Third Party Service Provider’s policies and procedures for access controls, including its use of Multi-Factor Authentication as required by section 500.12 of this Part, to limit access to relevant Information Systems and Nonpublic Information;
(a) Multi-Factor Authentication. Based on its Risk Assessment, each Covered Entity shall use effective controls, which may include Multi-Factor Authentication or Risk-Based Authentication, to protect against unauthorized access to Nonpublic Information or Information Systems.
(b) Multi-Factor Authentication shall be utilized for any individual accessing the Covered Entity’s internal networks from an external network, unless the Covered Entity’s CISO has approved in writing the use of reasonably equivalent or more secure access controls.