How do big companies like Rockstar or Amazon get hacked?

I am a software engineer, although not super active on the cybersecurity side of things I know for a fact that even in my firm which is a mid-size startup with \~250 people it would be very, very hard to hack into a prod database. Only a handful of people have access to the prod database anyways and we always use VPN with 2FA. It would be very, very hard to go through all these layers of security. I can …

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