Banks must deliver online services to their customers worldwide in a timely and efficient manner. However, some large firms still rely on legacy IT systems for the bulk of their operations. This seems to be paradoxical. To ensure the performance of business critical applications, monitoring solutions should be put in place to proactive prevent outages and slowdowns which will drive customers to the competition.
Banks have had their reasons to put off modernization. In the pre-financial crisis years, with profits flush, there wasn’t a big incentive to make the big investment and take the risk of a large modernization project. Instead, banks opted for smaller, less costly alternatives such as product or feature enhancements, which often added complexity to their environments
You can read more here: Banks Must Ditch Legacy IT