It all began innocently enough. An electronic-mail virus, Melissa, was the big morning news in your inbox, if you were getting mail at all. The common question on everyone’s mind was: What the heck is going on? A few hours later, we all knew and were taking steps to stop the spread.
Melissa spread with the rising sun, first hitting the Asia-Pacific region, which includes Hong Kong, Singapore, and Australia, and then hitting Europe. By the time it hit North America, where I live, we knew a lot about it. We worked feverishly to stop it, some sites having more success than others.
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Obviously we want our computers to be secure against threats. Unfortunately, there is no such thing as absolute security, where a computer is either secure or it’s not. You may take a great deal of technical precautions to safeguard your computers, but your protection is unlikely to be effective against a determined attacker with sufficient resources.
A government-funded spy agency could likely penetrate your security, should they be motivated to do so. Someone could drive a truck through the wall of your building and steal your computers. Old-fashioned ways are effective, too: there are many ways of coercing people into divulging information.
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In 1983, Fred Cohen coined the term “computer virus”, postulating a virus was “a program that can ‘infect’ other programs by modifying them to include a possibly evolved copy of itself.” Mr. Cohen expanded his definition a year later in his 1984 paper, “A Computer Virus”, noting that “a virus can spread throughout a computer system or network using the authorizations of every user using it to infect their programs. Every program that gets infected may also act as a virus and thus the infection grows.”
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Achieving good computer security can seem like a daunting task. Fortunately, following the few simple steps outlined below can provide a good measure of security in very little time.
Use antivirus software and keep it updated. You should check for new definition updates daily. Most antivirus software can be configured to do this automatically.
Install security patches. Vulnerabilities in software are constantly being discovered and they don’t discriminate by vendor or platform. It’s not simply a matter of updating Windows; at least monthly, check for and apply updates for all software you use.
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Some time has passed by an argument has gone around the replacement of desktop application in the category of Web software applications company. While Web applications are more versatile and flexible desktop software and applications that are not easily replaced examine safety issues and replacement legacy systems that were in place for some time. The change occurs if it is not only a technical matter, but also about marketing and business. Much information available on a website that discusses these issues in the minds of many items.
A software should have strength anti virus application, and security system, this is to avoid any destruction inside the system itself, its the same like having an anti virus protection for some symptoms such as herpes symptoms. Viruses both in symptoms and computer required serious threats and early detection and prevention before spreading widely.
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