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At critical moments, the customer needs the service to work. A problem can cause them to change providers.
Overloaded customer service lines
A broken service means an immediate burst of enquiries to the customer service department.
Reputational damage
When there is an outage in the financial sector, every hour means a reputational nightmare for the entire company.
Not complying with regulators
If a company in the financial sector cannot report activity in a timely manner, it risks fines.