[mmsmatt]

I doubt any transaction processing systems got updated at any bank in the past 48hrs with the Brexit vote in the air.

[apaprocki]

Then again I found this: https://www.iggsoftware.com/support/articles/ibank-5/citiban...

[ratsbane]

Good find. An "extended major release" while they're onboarding 11 million new customers sounds painful.

[xiphias]

It looks like they don't really care about distributed systems. With the current software methodologies planned global outages are not acceptable. It's still sad that banks like this can be one of the biggest because of their monopoly position.