Aaa

Aaa is a term used in various contexts to denote different concepts. The most prominent use is in credit rating, where Moody's Investors Service uses the symbol Aaa to designate the highest possible quality and the lowest credit risk. The Aaa rating indicates an exceptional capacity to meet financial commitments and is roughly equivalent to AAA ratings used by Standard & Poor's and Fitch, though the agencies use different naming conventions. Moody's assigns Aaa ratings to issuers and debt instruments, and such ratings are seldom given and may be revised if issuer circumstances change. Examples include certain sovereign bonds and highly creditworthy multinational corporations.

In information technology and cybersecurity, the acronym AAA commonly refers to Authentication, Authorization, and Accounting. While typically written as AAA, some texts or branding shorten or stylize it as Aaa; however such usage is nonstandard, and the canonical form remains AAA.

In other contexts, Aaa may appear as a stylized or branding choice for various products, projects, or groups that adopt the sequence of three As for aesthetic reasons. There is no single universal meaning beyond these uses.

See also: AAA, Aaa rating, Moody's rating.