The BA1 senior and BA3 subordinated debt ratings of First Security Corp. of Utah are under review for possible upgrade, according to Moody's Investors Service Inc.

Also, the BAA2 rating for long-term deposits of First Security Bank of Utah, First Security's primary subsidiary, also has is being reviewed for possible upgrade.The bank's prime-2 rating for short-term deposits is not under review. About $123.5 million in debt is affected, according to Moody's.