Banks seek to mitigate risk of system outages after RBS and Knight Capital IT failures

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In June 2012 millions of customer accounts at RBS and its subsidiaries NatWest and Ulster Bank became inaccessible after the bank lost the ability to process payments. An upgrade to the bank’s batch processing system caused an overnight failure, triggering the problem. The bank’s inability to revert its system to its pre-upgrade state compounded matters. In August US market-maker Knight Capital lost $440 million in 40 minutes due to the installation of trading software that then sent incorrect

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