Originally Posted by georgeontherun

Like many of you, I had booked reward flights during the "breach" period and received the same automated email. My (challenger) bank immediately cancelled the card and mailed a new one. This of course didn't arrive in time as I was off on a multi-leg trip around Asia—not the end of the world but a thorn in my side nonetheless.

Skip forward to today and I have a series of declined transactions in locations across Europe on said compromised card.

Given I have not used the card anywhere else and the dates correspond, BA's claim of no "conclusive evidence" of fraud seems absurd.