I am learning web dev and I don’t understand how can you make customers credit cards and information safe like Netflix with large numbers of customers with credit cards, how can they make them unreachable.
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Think of the internet like sending mails through the postal office.
We’re sending mails through the internet to Google and Facebook, but like you’ve assumed, it would be a bad thing if some busybody postman opens up our mails especially if it contains our credit card information.
So what we can do is put it in a super secure lock box (encryption), there are some really cool cybersecurity techniques that I won’t get into which ensures that only us and maybe the company we give our lock box to has the keys to open it. This key is your password, which only you know about. They have the lock box but not the key.
And by logging in, you are opening that lock box to view your secrets inside. Some hackers somewhere could probably steal the lock box, but even they won’t have the key to open it lest they trick you into divulging your passwords.
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