Running banking, payments and public services off a single cloud region is a gamble, and the bill always comes due. Resilience has to be built in from the start, with multi-region and multi-cloud failover as a baseline rather than an afterthought. Procurement rules and supervisors should demand proof that critical functions survive when one provider goes dark.
Bolting on a second cloud is the priciest way to buy the least protection, since bridging two identity models, networks and policy stacks just adds failure points. Real safety comes from portability — open engines, open data and a toolchain that moves — so any provider stays a replaceable commodity. Measured exit times and costs tell regulators more than a vendor headcount.
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