If it is a good password, then it can help a great deal. Depending on the length and complexity of the password, it can take an attacker months, if not years on a super computer to crack a...
When data is stored or sent, it can be sent as it is, when over a network this would be packets. But when data is encrypted, its simply like saying, if i sent you an email that says Hi, How are youH...
First you'll have to study the career, if you're still wanting to continue, proceed to talk to people already in the field, begin to acquire the necessary skills if you don't already have them and...
Data security is very important, because it helps ensure privacy for your data. If your data is not secure then it is easy for others to infringe on your privacy.