Security From Computer Malware
Does an in-built firewall give you complete protection from computer malware?
With a large number of people accessing the Internet, malware attacks are also on a steep rise. A firewall acts as a shield which screens and blocks malware before it reaches your system via the Internet. The first important step that you need to take towards protecting your computer is to use a firewall. Windows 7 in-built firewall comes with an easy to use design, a simple interface, and several configuration options. In case of any unexpected behavior from other operating resources, Windows Firewall protects your computer by restricting them and thereby preventing their spread to other users. It also protects your computer from unauthorized connections by hiding it from external users. However, an in-built firewall does not completely protect the users from malware and the users still need the support of additional security software.
The users need to install additional security software mainly for the following reasons:
- E-mail viruses
- Existing infections
- Spam and pop-up ads
- Unsecured wireless network
A firewall cannot protect you from viruses like Trojan horses that spread through e-mail. These viruses reach your Inbox as attachments and make you download or open them by posing as genuine files. These viruses attack your system and steal valuable information from your PC. E-mail is one of the most common methods of spreading viruses in the cyber world.
A firewall cannot locate or disable computer viruses or worms if they are already present on your system. This renders your system unprotected from existing infections. This means that you will have to resort to other methods like the use of antivirus program to remove the existing infections. This can also create issues when you install any new software on your system.
Unsecured wireless network
Firewalls cannot protect your system from spam or pop-up ads. Some of these pop-ups might contain spyware. Hence, it is important for you to have a protection system which does not allow unwanted pop-ups to appear on your monitor. A lot of time is spent on deleting these ads.
Spam and pop-up ads
An in-built firewall cannot prevent access to an unsecured wireless network. This means that the firewall cannot prevent an intruder from gaining access to your unsecured network. This poses a major issue and has to be countered with other security options like installing antivirus software.
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