The HITECH Act Has Had a Significant Impact on HIPAA's

The HITECH Act has had a significant impact on HIPAA's Privacy and Security Rules in which of the following ways?

A) Weakened the enforcement of HIPAA
B) Removed the annual guidance from the Department of Health and Human Services regarding how to secure health information
C) Enhanced notification requirements in the event of a breach in the security of health information
D) All of these are correct.