BA HACKED
An assurance for those who booked and had tickets issued by Target Travel, they are OK.
British Airways have stated that people using BA.com and its mobile app for flight bookings were targeted by hackers between 21 August and 5 September 2018. Information stolen includes customer names, email addresses, home addresses and payment card information – but not travel or passport details.

UPDATE
No itinerary information, frequent flyer data or passport data has been compromised.