About this interactive
Regulation: some authority, such as a government or a regulator, has put rules or laws in place, and the organization has to follow them. Privacy laws, breach notification laws and a regulator's rules are regulations.
Accreditation: something an organization opts in to. It asks an outside body to review it, so that the review gives what it does legitimacy. The lesson's example is a college or university that gets accredited so its education is trusted. Hospitals, testing labs and the bodies that issue security certificates are accredited the same way. (When a company has an auditor check its security against ISO/IEC 27001, the usual word for what it earns is certification; the idea, an outside review sought for trust, is the same.)
Standard: the bar. It is what has to be met to become accredited or to be compliant: a list of requirements, a minimum to reach, a set of controls to be measured against. ISO/IEC 27001's requirements and PCI DSS's requirements are standards.
To sort a card, ask: is this a rule someone in authority imposes, a review the organization chose to go through, or the bar it is measured against?
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