Indonesia’s biggest private carrier, PT Lion Mentari Airlines, is investigating a data breach that led to private information of passengers on its Malaysian and Thai units being leaked online, according to many news reports. 

The carrier, in a statement, said Malindo Airways’s passenger information, hosted on cloud-based services, may have been compromised, according to a news report. Malindo is working with its data service provider Amazon Web Services Inc. and e-commerce partner GoQuo to look into the breach, notes the report.