How did hackers manage to lift the details of BA customers?

Airline says only information entered within a two-week period was taken

• British Airways customer data stolen from its website
• BA chief vows to compensate customers after data breach
• BA data breach: what to do if you have been affected

As British Airways reels from yet another IT scandal, speculation about how the "world's favourite airline" could allow the credit card details of 380,000 customers to be stolen from under its nose for two weeks swirls.

Answers on exactly how the criminals were able to steal the credit card information are thin on the ground and will likely require BA or a third-party security contractor to divulge details.