There’s a common misconception that having a firewall installed is enough to protect your computer from hackers. In the old days, this might have been the case. However, nowadays, a firewall on its own will not give the average user enough protection from modern malware.
Even if you have a good firewall installed, it is entirely possible for malware to be alive and well on your computer!
Learn more about why it could be dangerous to assume a firewall will protect you.