TSB's IT Meltdown – Time To Adjust Your Risk Assessment Matrix?

Author:Schellenberg Wittmer Ltd
Profession:Schellenberg Wittmer Ltd
 
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In late April of this year, the British bank TSB moved millions of customer accounts from the systems of Lloyds Bank, which has hosted them since TSB was separated from Lloyds, to a new core banking platform ofits current owner, Spanish bank Sabadell. According to an IT professional who worked at Lloyds Bank before, during and after the original integration of TSB, such a migration is a "horrendous task". According to the Guardian, Sabadell's takeover of TSB was predicated almost entirely on the £100m savings to be made from cutting TSB free from the £214m-a-year bill it had to pay Lloyds for continuing to run the bank's accounts. Unfortunately, the migration ended in disaster. As a result of yet-unspecified problems, TSB's customers were locked out of their accounts and experienced money disappearing from accounts; some were even able to see other customers' accounts. These service failures continued for more than ten days.

TSB's IT disaster raises a lot of questions. In the M&A context, especially with targets from the financial sector, it clearly prompts the question whether a buyer's IT risk assessment matrix needs to be adjusted. First, in terms of likelihood, as TSB's meltdown is not the first outage of this scale. In 2007, when another Spanish bank, Santander, integrated customers of its UK acquisition, Abbey, to its in-house platform, services were also disrupted. And in 2012, customers of RBS, NatWest and Ulster Bank could not access their funds for a week or more as a result of an IT glitch. These are only the larger cases played out in public. Secondly, adjustment may be needed in terms of the extent of damages, as businesses grow bigger, customers become more numerous and demanding, IT systems become more complex and vital, and legislators as well as regulators become more policing and less forgiving. In 2012, RBS was fined...

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