1.7 million users of Air Canadas mobile app have had their passwords reset by the company following a security breach which saw hackers compromise up to 20,000 accounts last week. The company detected unusual login behaviour related to the smartphone Air Canada app between August 22-24 2018, that may have seen. The Canadian government describes the risk as low provided the genuine passport holder still has physical ownership of the document. Credit and payment card information was encrypted, and was not compromised in the breach.”]