The quality of an organization’s information security policies (plus the associated security standards, procedures and guidelines perhaps) speaks volumes about the importance or value of information security in management’s eyes. It strongly influences compliance, too, hence this deceptively simple metric can be a powerful driver for improvement.
Pie charts clearly indicate relative sizes of parts of the whole.
Here, the parts are sequenced logically by quality level. Ordering the parts by their sizes would further emphasize the size differences, and is useful if there is no logical sequence to the parts.
The percentages displayed in this example help clarify the relative proportions.