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Archive for the ‘Security’ Category

DNS-Changer – how to test your computer

Thursday, January 12th, 2012

There appears to have been an increase in attacks on private computers in recent weeks, and in some cases even a good virus scanner has not been able to block them.  Yesterday we learnt about a new threat called “DNS-Changer”.  This is what you need to know:

DNS is short for “Domain Name System” and is like a telephone directory for the internet.  When you visit a website, the address of that site is turned into the numeric address – the IP address – by a DNS server.  Your computer then uses the number to contact the site.  Cymeradwyo, for example, runs on IP address 85.214.111.207.

The DNS servers for computers in private households are usually run by the internet providers such as T-Online.

But what would happen if instead of asking your internet provider for the IP address, your computer asked a different DNS server?  If this server gave and incorrect answer, the computer would pull up the wrong page.  Now if that page look different to the one you were expecting, then you would notice.  But what if it looks identical?

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How to Use an Antivirus Program

Thursday, September 24th, 2009

You might be careful while watching a movie, which has been released on line. Though a number of sites are mostly safe a few of them can be malicious. They will send out a repairman to examine the error and repair it for you. In this day and age having a computer with out Anti virus software is just silly, even if you do not use the Internet. There are billions of viruses out there and more being released every day; you may learn about some on the news and suspect it does not occur often, but it is happening every second of every day.

Botnets are another problem roaming around the internet at the moment, it’s another application that installs itself on your system secretly, normally from some shady website you went to by accident where it’s downloaded in the background. Anti-virus software will act as a dangerous software remover. Since you don’t have any means of being sure which one is damaged, the best way to solve this problem is by consulting a home system repairs business. What dangerous software does on your PC, is sit there waiting for a specific day/time or command from the software’s master to then do what ever they want to do, they now have full domination your PC.

If you encountered strange noises coming from the system, this is a software malfunction. A deeper sound can also be heard if the video card is damaged. Viruses are not the only problem that exists; there are larger problems, Malware. Malware is software that installs on your computer, with out your knowledge and can do any number of things but mostly watches your activity. Viruses can be totally benign but some forms of Malware can collect passwords and send them to its makers. They can quietly Spam millions via your email account without your knowledge.

It is mostly affected by a third party application called spyware. malware does’nt come in one application alone, sometimes these harmful programs come from a plethora advertisements, downloadable free programs, and other add-ons from the Internet. They solely have one purpose, to spy on the system activities that could include identity theft. You should seek the help of PC repair (supprimer virus) services in a hurry so as to avoid any more complications and further damage to the files as well as to avoid personal data from getting out.

It is yet another in an extensive long line of rogue antispyware programs that are intended to frighten you into purchasing fake security software. corruption occurs via aggressive advertising tactics that insist that you have spyware on your computer and that you need to buy and install the program to protect yourself. The curiosity of the situation is that if you are seeing these popups on your computer, then you actually are infected and Antivirus itself is the culprit. The application will bombard your computer with popups and false security data as well as damage it significantly if it remains on your system for any period of time. But what is more troubling is that the application can also log your keystrokes and browsing habits and send that off to a remote server where a hacker can use that information to get access to your bank accounts, and ultimately steal your identity.



What is the Best Virus Removal Technique?

Saturday, September 19th, 2009

Would you like to know the best way to eliminate a computer virus quickly? Very few computer owners know about viruses and what they need to do if their PC systems get affected. All users need some basic knowledge about malicious applications and understand what to do when their computers have been attacked by such programs. They will send out a technician to look over the error and fix it for you. In this day and age having a computer with out Anti virus is just silly, even if you don’t go on the Internet.

Computer viruses can damage your system in many ways. The regular methods that computer viruses may use to spread are through email and through P2P systems where people trade downloadable games, movies and data freely. Anti-virus (anti virus mac) software will act as a dangerous software remover. Since you don’t have any means of knowing which one is broken, the most effective way to solve this problem is by contacting a home system repairs company. What dangerous software does on your PC, is wait there for a certain point in time or command from the software’s master to then perform some dubious task, they then have full control of your PC.

One of the best ways to make your PC free from viruses is to employ the free PC virus guard application. These anti virus applications don’t put a high load on the operation of a computer. Viruses are not the only problem that exists; there are bigger problems, Malware. Malware is a program that installs on your computer, with out your knowledge and can do a number of things but usually takes note of what you are doing. Some can be totally benign but some types of Malware can learn user names and send them to its creators. They can silently send email to millions on behalf of your email information without your awareness.

New viruses come out everyday and you may need to be certain your anti-virus has updated data to help it find what you are infected with. If you search on the menu settings of your anti-virus program you will be able to find an option to update it. spyware does not come in one program alone, sometimes these harmful programs come from a plethora advertisements, download able free softwares, and other enhancements from the Internet. They solely have one purpose, to spy on your PC activities that should include credit card theft.

Along with the best antivirus application and an alternate form of defense, the best way to protect your computer is to ignore web sites that are shady as well and avoid downloading applications without doing so from a trusted site. corruption happens through invasive commercial tactics that insist that you have spy ware on your system and that you need to buy and install the program to protect yourself. The curiosity of the scenario is that if you are noticing these ads on your computer, then you are already infected and Anti virus itself is the culprit. Regardless of your possession of the very best software, it is always suggested that your computer have secondary guarding software.

Bernard Marti in cooperation with the website www.antivirusexpress.com has Published this article which has a large amount of enlightening facts to help you learn more on the subject of MAc antivirus.



 

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