The scrutiny comes after JPMorgan itself flagged those countries for further review, the people said.

The investigations into the Asian markets are still in "fledgling stages", the report said, adding that Hong Kong and British authorities are also investigating the bank’s hiring practices.

JPMorgan said it is "cooperating with these investigations."

"It is unclear whether authorities suspect improper activity in these regions beyond China, or are simply placing a marker for a possible broader investigation. Either way, though, the global focus signals a fresh challenge for the bank and an escalation of the inquiry," the NYT report said.

The latest investigation into JP Morgan's activities comes just days after the U.S. banking giant entered into a $ 13 billion settlement with the federal government over its mortgage practices in the run-up to the financial crisis.

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