What a timely story. Look at what's happening right in the UK, some parts of Europe and soon most of the Western world at large. Any single system for storing and processing vast amounts of personal data is the single point of failure and an attack surface any hacker worth their salt is having wet dreams about.
Any sci-fi is first and foremost a window into our current lives. Make no mistake ye who read this: you are looking at our actual possible observable future.