Every computer connected to internet is open for hackers to use. Internet security is the most crucial part as intruders can use your computer to store illegal information or can use your computer to transmit threats to others.
It is essentially your responsibility to ensure that you provide the right environment for your computer to work. Firewall security is an important process as it helps in minimizing the vulnerabilities of your computer by controlling the connections that are being made through your network. If you are using Windows XP or Vista you can check the Firewall options in your Control Panel. However, with the increasing number of malware being devised on a daily basis, you can’t be 100% sure that everything inside your computer will be safe from harm.
There are three types of firewalls and each one of them has their own role to play in providing you with the right amount of protection for your computer.
The firewall that is installed on your computer will decide what goes in and out of your computer. Windows XP and Vista have a built inbound firewall that is completely built into the operating system. It is very easy to open and operate. It can be configured to allow or block applications through it. If you are using a router to connect to the internet, its default settings should be enough to prevent unauthorized access to your computer.
An internal firewall is installed between your computer and the internet. This means that any information that is sent or received by your computer from the outside world will be unable to enter your computer and be monitored. If there is a problem with the firewall, you can manually block or allow the transfer through a port that is forwarded to the internet.
An external firewall is another option for those who don’t want to purchase a new computer. It can be installed between your computer and the internet through an external hard disk or other external device. This means you won’t have to download and install anything. It also means you won’t have to type in any settings. The firewall just runs in the background, and you can use it if you wish.
Unfortunately, having an external firewall doesn’t mean you’re completely safe from viruses. After all, you need to be protected from hackers trying to get into your computer. However, having an external firewall will make you aware of any viruses that are sent through your computer.
Additionally, having a firewall will make you refuse to enter your computer if you are not sure about it. Viruses can be hidden in programs, cookies, and even images. Seeing that a program is coming in through a http or https:// will warn you that it is probably not a safe website.
Many people also mistakenly suppose that working in the internet makes them safe from viruses. They think that since they are working in a network, they are safe from viruses that may be sent in by their employer or colleagues.
Viruses can be disguised very well by using social engineering. Employees may be less likely to open attachments if they are expecting them, and they may change the way they send important documents if they suspect their sender. Both of these things may be used to infect emails.
It is important to be aware of the threats posed by viruses. Although they are very damaging, it is important to know that there are steps that can be taken to protect yourself from becoming a victim. The first and most important step is to have a basic knowledge of how viruses work.
Secondly, it is important to know the types of viruses that can destroy your computer. There are some viruses that are very simple. They infect a computer and simply keep publishing themselves. These ones are easy to protect against.
They will replicate themselves by sending an email or a document. They will then send themselves to all the other computers in your network and they will also become active again after that. This means that now your computer is actively infected and ready to spread.
The next type of viruses are program viruses. This kind of virus will run their own program on your computer and destroy it. This virus is malicious and will load itself into memory of your computer and use it to harm it.
A program virus may also damage other programs on your computer. They can do so by making the program behave strangely or by making the files explody. When other programs load, the program will use the memory for its purpose without noticing that it is using memory.
A computer virus can also load itself into memory of a computer via the hard disk. When it does so, it can stay there for a long time. This is the reason why you must manually delete a computer virus every now and then. Once you do, you will have removed the threat from your computer.
A hard disk virus is a malicious program that spreads through the hard disk and can destroy other programs. It can also damage the operating system and the hard disk itself.