Computer Spot

Viruses and malicious code have been a major problem since the rise in popularity of the internet. A more recent, and growing problem are botnets, and the effect that they are having on cyber crime. Just what are botnets and who should be responsible for cleaning them up?

Botnets are a group of computers that have been compromised and that link themselves together to form a network.

The computers are compromised by malware, and are termed zombie computers. They do the work for the virus without any input from the owner of the computer.

These networks serve many purposes. They are normally used to generate money from the person who created the botnet, or they may be used to attack a website or a server.

Attacks such as these are called denial of service attacks, or DOS. They are intended to simply create havoc by stopping anyone else from using the server or website.

Spam is another function of these networks. Each computer in the botnet (and there may be thousands-even a million or more) sends just a small number of the spam emails in order to escape detection by the usual spam detection protocols. However, when a million computers send out a few spam emails-that’s a lot of spam that is sent out. Read the rest of this entry →

The Magellan Maestro 4050 GPS System is the first portable vehicle navigation device which offers the drivers the convenience of voice command capabilities.

It is re-engineered for easy use and is quite user-friendly. Now you can easily focus on your driving and keep your eyes on the road while giving voice commands to the GPS system.

Suppose you want to order your favorite food or reach the nearest hospital, you just have to say commands like “Nearest restaurant” or “Nearest hospital”. Read the rest of this entry →

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AVG Free Edition is a well-known antivirus protection tool, which scores over many other popular brands such as MacAfee, Norton, Avira, and likes of them.

This antivirus program offers rock-solid protection. AVG Free provides all the essential necessities, including a real-time shield to prevent infections, anti-virus and anti-malware wrapped up in one engine and a link scanner for web-surfing with extra protection and care.

AVG is the most popular free antivirus program, which does fairly well in many tests. Although it offers little user control and no free tech support, it is more effective than the other premium brands like Norton Symantec 360 and MacAfee. Read the rest of this entry →