Columbia subject headings:
Computer security--United States.
Computers--United States--Access control.
Data protection--United States.
Electronic data processing departments--Security measures.
Harvard subject headings:
Computer security--United States
Computers--Access control--United States.
Data protection--United States
Electronic data processing departments--Security measures
Princeton subject headings:
Computer security--United States.
Data protection--United States.
Electronic data processing departments--Security measures.