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A Few Things You Need to Know About Firewalls
Some of us may be unfamiliar with the many tech terms that spruce up every so often. Firewall can also be a term that not many are familiar with.
According to a study by National Cyber Security Alliance, only 4 percent of Americans say they understand firewalls “completely”, while more than 44 percent don’t understand firewalls at all - or know if they have one enabled on their PC. So for those who feel unsure, keep reading to find out why a firewall is a necessary part of your online defense.
If your PC is connected to the Internet, you are a potential target to an array of cyber threats, such as hackers, keyloggers, and Trojans that attack through unpatched security holes. This means that, as you shop and bank online, you are vulnerable to identity theft and other malicious attacks.
A firewall works as a barrier, or a shield, between your PC and cyber space. “When anyone or anything can access your computer at any time, your computer is more susceptible to being attacked. You can restrict outside access to your computer and the information on it with a firewall,” according to cyber security tips on US-CERT’s website.
When you are connected to the Internet, you are constantly sending and receiving information in small units called packets. A firewall filters these packets to see if they meet certain criteria set by a series of rules, and thereafter blocks or allows the data. This way, hackers cannot get inside and steal information such as bank account numbers and passwords from you.
Basic firewalls such as the one included in your Windows, only monitor incoming traffic by default. This may give you a false sense of security. Keep in mind, outgoing traffic, with your credit card information, bank accounts, and social security number is not protected. A good firewall will monitor traffic in both directions. That is, both your incoming data and your outgoing data, keeping your private information safe. In addition to preventing unauthorized access to your PC, it also makes your computer invisible when you’re online, helping to prevent attempted intrusions in the first place.
Most sophisticated firewalls also include a feature that continuously updates the list of known good and known malicious applications. This way, the amount of questions relating to Internet access is minimized and your computer protection is always up-to-date.
Also important to keep in mind: although a firewall provides critical protection to keep your PC safe from unauthorized access, it cannot remove malware from a system that has already been infected. Due to that, a firewall should be used in combination with other proactive measures, like anti-malware software, to strengthen your resistance to attacks.
According to the recent findings from the Consumer Report Magazine, there were more than 58 million American adults had at least one malware infection that affected their home PC’s performance last year and the cost of repairing the damage from those infections was a whopping $4 billion. This shows that firewalls play a very important role in safeguarding your PC from prying eyes.
Do you want a firewall to be installed on your computer? Look no further, Ad-Aware Pro Security is our complete line-of-defense against the most extreme forms of malware and cyber threats, packed with valuable features that includes a powerful two-way firewall.
Our two-way firewall complements and enhances the protection offered by your typical router and provides more robust security than the built-in Microsoft Windows Firewall (they only check for incoming data) by monitoring which applications are attempting to send data out (outgoing traffic). In simpler terms, what it does is block hackers from getting into your system to spy or steal important information.
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