Despite the theft of data from the partner's systems, operations at HealthEquity have continued as there has been no evidence suggesting additional systems compromise.
The far-reaching hack stemmed from the breach of a Medibank IT service desk operator's home computer that contained browser-stored Medibank credentials.
Senate Select Committee on Intelligence Chair Mark Warner said the US is even less prepared for this year's presidential election due to increasingly advanced threats such as artificial intelligence-powered misinformation.
Almost 71 million credentials from Facebook, Yahoo, Coinbase, and other sites have been exposed by the Naz.API dataset in the last four months, nearly 25 million of which were not observed in previous leaks, Ars Technica reports.