Where to even begin with privacy?

So a buddy of mine recently had alot of his info hacked, including his bank account. It has me thinking what could I do to prevent it?

I made sure my cards were good with spending limits, 2FA, the whole nine yards. But at the same time I can't help but feel like that's not enough, I've used my debit cards on many various websites over the years. I guess my question is: should I close my current account and …

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