Virus Evolution History Part 2 – Melissa and other executable worms

The powerful file interpreter scripts included in Microsoft Office gave to the virus creators an opportunity to be armed with the characteristics of worms. An example of this was Melissa worm, a Word macro virus with the characteristics of a worm, which infected documents created with the 97 and 2000 versions of Word. This worm [...]

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Virus Evolution History – Part 1

In this article we will examine how the growth of Windows and Visual Basic affected the evolution of computer viruses, since along with the development of those two technologies we had the appearance of global virus epidemics, like the virus Melissa in 1999. While Windows were evolving as an application designed to facilitate the management [...]

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Which are the biggest companies in the Antivirus arena

Everyone in the United States has heard of the leading antivirus vendors such as Mcafee, Trend Micro, Symantec, Computer Associates etc. These companies have market-leading presence in the United States. Microsoft, as well, has plans to become a key player in this market. Microsoft acquired intellectual property and technology from GeCad software in 2003, a [...]

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Computer Password Best Practices

Passwords provide the first line of defence in computer systems and must be considered one of the top elements to protect and secure. They offer the main access control mechanism in computers and with some good security practices can provide a big obstacle to intruders. Following are some best security practices for using on your [...]

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Use always two antispyware – Best Free antispyware software

From my experience, the use of just one antispyware software to protect your home computer is never enough. Sometimes, antivirus suites include also an antispyware engine but I prefer to use my antivirus software for virus protection only and have dedicated antispyware tools specifically for their intended purpose. Especially since you can find excellent antispyware [...]

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Virus Types

Viruses are generally distinguished by the way they spread and propagate or the target they attack. The following virus types do not necessarily indicate a strict division. A file infector for example may also be a system infector. A script virus that infects other script files may be considered also to be a file inspector. [...]

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