The risk of Viruses on the Computer

The risk of viruses on the computer
Only location where the risk of computer virus?
The virus can reach your computer through a variety of ways. Some of them are as follows.

* Program and documents
Computer programs and documents can be also infected by the virus. When you men-sharing program or document before the colleagues you will, then this will make the spread of the virus will be more knowledgeable especially when spread over your office LAN or even over the Internet.
* Internet
You can download a program or document that has been infected with the virus from the internet. Cleft security on your computer can create a virus to treat it. The virus can be transmitted to your computer through the Internet automatically without you doing anything before.
* E-mail
E-mail you receive each day can bring the virus only through the attachment. Once you run a program or document in the attachment before, then your computer will be infected by the virus. Some even e-mail can contain a malicious script will run once you make a preview of the e-mail or read the contents of your e-mail.
* CD or diskette
Floppy disks can carry the virus in its boot sector. CD or floppy disks can also contain a program that has been infected by the virus.

The files are able diinfeksi by viruses?
The virus can hang himself in what is running on your computer. What are they? See only the following explanation.

* Program
Some viruses are able to menginfeksi computer program. If you run a program that has been infected with the virus before, the virus code will also be automatically executed the first time. Virus-type of this virus appear at earlier emergence of the virus in the computer world and until now is still a serious threat especially with the development of the Internet that is able to quickly distribute the program to the world.
* Documents
Word processing or spreadsheets, such as MS Word or MS Excel, often use macros mengotomatisasi for a job. Some macro viruses take advantage of this facility to spread itself to other documents. If you run a document containing a macro virus is, he will copy itself to the startup program to open the document and can eventually infect other documents that are still free from the virus.
* Boot sector
When you turn on the computer, the computer will access a disk on the part of the "boot sector" and will run a program that will start the operating system. At the beginning of the era-first computer virus, often area ditumpuki this boot sector with the virus code, so that when switched on the computer and access the boot sector, the virus code is automatically run well.

E-mail virus
Most e-mail virus is highly dependent of the user clicking on a document or program that is on the e-mail attachment. This will cause the virus to mem-forward before the infected document to an e-mail the other. Netsky virus as an example, is able to find files in your computer that contains an e-mail address (such as HTML files or files in the format EML), and will use e-mail program that is on your computer to send an infected document to address - e-mail addresses that have been acquired earlier. Some other viruses such as Sobig-F has not even need e-mail program on your computer to send e-mail, but they have their own SMTP engine to send e-mail. E-mail viruses can control your computer or even steal data. But the main target of this type of virus e-mail this will usually cause traffic e-mail that is very large and create a server crash.

Once again be careful of the attachment on your e-mail. Even with the extension attachment. Txt can also be dangerous because often there is still behind the extension, for example again. Vbs script that can contain viruses.

Can I infected with the virus only a read e-mail?
You do not need to open or run the program in an e-mail attachment to be infected with the virus. Some viruses, such as Kakworm and Bubbleboy, can menginfeksi your computer so you read the e-mail. They will look like e-mail message is normal but in fact contain a hidden script that will run once you open or read them (or can be through the preview pane, if you use Outlook with the version of Internet Explorer that match). This type of virus will change the settings on your computer and send the virus to other users via e-mail. The Microsoft has issued a patch for this problem. To find out what patch you need, then please visit the site http://windowsupdate.microsoft.com/. To keep track of security on the Windows operating system and application, please just follow the mailing list in their www.microsoft.com / TechNet / security / bulletin / notify.asp.