The Importance of Desktop Firewall Software

Nearly every computer user has heard the advice to use desktop firewall software in order to ensure the safety of their computers. Still, the majority of users aren’t aware of risks of not using a firewall on their computers. This is the reason why there are so many people experiencing their software being attacked, and suffering through computer crashes. Failure to use firewall software is also the number one reason for the increasing prevalence of identity theft.

Desktop firewall software works by screening all of the data that goes in and out of your computer, blocking those that are determined abnormal or unauthorized.  There are several access points in a computer’s operating system, these are called ports. Think of these ports as working much like the harbor ports around the world. The only difference is that software ports are designed to handle the transmission of data.

The average operating system has approximately 70,000 of these software ports. Nearly all of the myriad of programs we might use on a daily basis require the use of ports so many are required to handle all of our information. Programs like instant messengers, email clients, software that offers automatic updating, remote service software, and even PC games all use these ports for communication with the outside world. Computer networking also requires ports, in small and large scales.

Unfortunately all of this information exchange through your computer’s ports also makes if easily susceptible to outside attack, this makes firewall software vital to the safety of your computer. There are a great deal of problems with viruses, spyware, malware, adware, and most recently ransomware in software programs affecting many millions of computer users. Each of these forms have their own specific purposes, but ultimately they are designed to ruin your system. And identity theft has now become far more prevalent due to spyware and ransomware.

Spyware watches everything you type, and ransomware causes your computer to lock up, demanding credit card information in order to allow you access to the internet once more. Once your personal information has been collected or entered, it is then sent back to the creators of the software, who then use it for the purpose of stealing your identity. If you have a desktop firewall, the traffic on your computer ports will be carefully monitored and parasites like these can be blocked from the ports that are used most often.

Firewalls allow you to specify which inbound programs will be allowed entry, and which are not. The same applies for outbound connections. There are occasions when spyware might get into a computer but due to restrictions placed on internet access it cannot return data to it’s creator. Aside from trying to steal your identity, these programs can corrupt your operating system files, making it so that you are forced to reformat your computer’s hard drive.

Data corruption may cause huge data losses for individuals who haven’t safeguarded their information. This is the reason why it’s vital to make sure to back up all your most important information, such as data of a financial nature and tax records, at least once a month. Those who use computers for business ought to backup their data more frequently, weekly or in some cases daily based on the type of information stored. If your data has been backed up it can easily be restored if you find yourself under attack.

The only way to be certain you are protected from malicious software and other computer software parasites is to install a desktop firewall. Malicious software exists to assist in the destruction of computer operating systems and the crime of identity theft. A firewall is only as smart as the computer’s user, as many of them require the user to confirm certain events before proceeding. Always use the internet carefully, with intelligence, and avoid unsolicited e-mails.