what do “hackers” mean by finding a “vulnerability”. It’s hard to understand how there can be a gap in code that grants that much access.

Question

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**Thank you guys for all the great answers I am enlightened. Computers are fascinating to me so this is a real treat!

In: 1007

Answer 1

I remember once we had a situation, where one major website, in order to reset your password, asked you the last 4 digits of your card while he showed you the first 4. And then another major website asked for 4 first, and showed you 4 last. So imagine you are a user of both of them…
Some people call it a vulnerability, some call it the other word