Cigna Corp. exposed private information including bank-account details of some customers in Asia due to a system error, the health insurer said.
The company told Bloomberg it accidentally sent the information to some customers and health care providers in early May. Sabrina Cheung, a Cigna spokeswoman, said that the situation affected a small number of clients who work outside of their home countries, but declined to give a specific number.
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She said that the error wasn’t the result of a cyberattack.