Flying Blue, Air France-KLM's frequent flyer program, was attacked by as-yet-unknown hackers. According to the company, there was also a data leak. The hackers are said to have had access to the participants' data.
In a statement, the group emphasized that no sensitive data such as credit card or passport numbers could be tapped. However, names, participant numbers, mileage, e-mail addresses, cell phone numbers and recent transactions are said to have gotten into the hands of the hackers. The exact extent is currently unknown, but Air France-KLM believes that not all customers will be affected.