Creating a breach search website?

I have seen some smaller local breaches in which a fair amount of data was exfiltrated. These breached companies generally don't notify people that their data has been compromised.

One example is a company who's data was exfilled, then made publicly available. I have reviewed the data and there are a fair number of sensitive records and no one has been notified.

I was thinking about creating a very simple website that allows someone search to their name and if …

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