http://www.cathaypacific.com/cx/en_H...sia-miles.html
Due to urgent hardware problems, members of The Marco Polo Club and Asia Miles will not be able to log in, including Online Check-In and Manage Booking.
Members can log in as “Non-members” using booking reference number, or e-Ticket number to proceed with any activities.
Recovery is in progress. Please try again later.
We are sorry for any inconvenience this may cause you.
Does the bolded mean potential data loss? I wonder.