The buy-now, pay-later company Klarna feared that as many as 288,000 customers' login details were exposed in a data glitch, which could have cost the company up to $41.8 million, according to internal messages. It turned out the impact wasn't as bad as originally thought. A Klarna spokesperson told Business Insider that "the actual number of impacted accounts is estimated at more than ~99% lower than the initial theoretical scope" of 288,000.Internal Slack messages, seen by Business Insider, show the Swed ...