Answers:
If you don't enjoy a firewall, you should use Zone Alarm, it's free, and and it protects you from most hacker attack.
If a unkind attacker have your specific IP address that would be one smaller quantity item she would inevitability to mount an attack on you.
At that point, she could move right into phases such a scan for unscrew ports on your computer, scan for vulnerabilities surrounded by your system suh as window shelter patch that enjoy not be applied.
If a one or more holes (or attack vectors) be found after that is to say how she would plan the attack.
Whether or not someone is succesful have profusely to do beside how ably you protract your computer and ow in safe hands you preserve it.
angelic luck.
No
The simple answer to this interrogate is YES. Given a specific ip address a determined hacker would hold ,little difficulty purchase access and indeed control.There is plenty of reading stuff on this thing and I for one would never store any confidential or financial information on a computer.