Electronic Communications Privacy Act regulates the monitoring of online information unless specific legal directives make exceptions.
Computer Fraud and Abuse Act of 1986, 18 U.S.C. 1001, established felony penalties for breaking into federal interest computer systems and penalties for illegally obtained computer password trafficking. Essentially this law clarified that unauthorized computer entry was considered illegal. In the early 1980s, entry into U.S. federal computer systems was not considered illegal.
Healthcare Insurance Portability and Accountability Act (HIPAA) provides guidance on how confidential patient information can be treated and accessed.