This is actually the main plot in Orson Scott Card’s “Worthing Saga”, although I’ve seen the concept explored in Peter F. Hamilton’s Commonwealth series and Richard Morgan’s Takashi Kovacs novels.
It’s a fascinating concept to think about, and frankly depressing because it feels uncomfortably close to the reality we’re headed towards.
Is this the Amazon breach you’re talking about?
https://www.forbes.com/sites/larsdaniel/2024/11/11/amazon-confirms-data-breach-exposed-2800000-lines-of-employee-data/
I hadn’t heard of it, and I usually follow this stuff pretty closely. FWIW, in this case, it appears that the data was employee data from a third party vendor’s systems:
People misconfigure AWS resources all the time, so it is definitely true that data stored by Amazon leaks out from time to time, although they don’t have much culpability in these cases.