5. Most dangerous viruses that can infect your PC for Internet browsing

Internet is considered to be the home of viruses, malware, Trojans and other similar threats that are ready to infect PCs. The system is prone to these infections while you are browsing or downloading content online, including web sites, portals, blogs, and others. Today, viruses are adopting different media in addition to the usual e-mails and attachments. These threats enter your system while you open an infected e-mail message or download an attachment. They use these carriers to run on your system and steal important data. They also damage the software, applications, and general operation of the PC.

There are several types of viruses that can easily infect your PC online. Some of them are very dangerous and you should ideally know about their behavior, mode of infection and the damage that can cause.

Taking into account the widespread attack of such threats and let you know about them, have been discussed in this article 5 most dangerous viruses.

Trojan horse of the beast

This is a common and one of the most dangerous Trojans, also known as Remote Administration Tool (rat). As we all know that this Trojan horse is a malicious software that damages or infects a PC only when the virus in this program is executed. Once the virus is executed it makes many copies of itself and spreads in different locations and directories. With this type of propagation, gets your PC under control and begins to steal secret information to records keystrokes that you enter for user names and passwords. This harmful Trojan can also harm to PC with reverse connection. Once detected must be immediately removed from otherwise disastrous consequences may follow.

SQL Slammer

SQL Slammer is a computer worm that is also known as Sapphire. First observed on 25 January 2003, when infected over 75,000 units around the world through the exploitation of the vulnerabilities found in the SQL servers. SQL Slammer is designed to deny service on certain Internet hosts and slow down the general Internet traffic. However, it is a misnomer because it does not use the SQL language, something explodes the failure the buffer overflow in the Microsoft SQL Server, as well as database products Desktop Engine. A patch was later released to control and stop the rampant activities of this virus.

Black worm

Black worm is also known as my wife, Nyxem, etc. is a dangerous virus that typically spreads via e-mail using the external SMTP engine. Black worm moves on the PC along with body different texts, attached files and themes. As a typical worm or Trojan creates several copies of itself and insert to infect the hard disk. It is so cleverly programmed that it infects the hard drive with the name of a legitimate Windows file so that it remains undetected. Once you reach the hard drive begins to corrupt the data stored there. The worst of this worm is that you can also remove or disable antivirus programs if both happen to be in the same directory.

Numbing Nimda

Numbing Nimda worm is highly active computer which is also known as the concept virus. Like other worms Nimda numbing is also capable of creating multiple copies of it and then spreading them as embedded attachments. When the recipient of the corrupted e-mail messages open the particular email, the virus goes through to get PC to the recipient. In addition, this virus can also travel through traffic from the web server, downloads and shared hard disks.

This has been designed to modify documents on the web, as well as executable files that make it much more dangerous for internet users.

Expletive deleted explorer

Expletive deleted explorer also is a computer worm that can delete documents from Microsoft Windows as PowerPoint, Excel, Word files, apart from other documents and important files. This worm sneaks into the PC of the victim via email which usually come from a known user. The file or the file containing this virus shows a fake error message to fool the victim. Keeps on displaying the Inbox of the victim and after getting the right opportunity begins sending replies to several senders.

Brooke M. Perry is a fervent technical partner with online support Qresolve, with wide experience in issues of fixing with PCs, laptops, tablets and smartphones. With a solid history of devising effective ways of security support and online pc system, it has helped me so far thousands of users around the world. His writings on topics of technology are a reflection of his deep interest in and command that takes as a computer support technician. Their blogs and articles have received a high rating for his style lucid, easy to understand language.

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5 Things you can do to protect your PC from viruses and Malware

Nothing is going well on your PC after virus or malware make his favorite dwelling. It stays with only a few options only once fallen prey to such threats online deceptive tricks. Everything, including hardware components and software seems vulnerable to the virus. The detrimental extent could be so high that it will hijack your privacy and security as well as ruin your operating system, software and other important applications. What can save better than such precarious attacks and avoid falling in this dangerous situation are your proactive steps and intelligent use of safety tips.

This article contains best safety tips 10 that help you to protect your PC from viruses and malware:

Install strong security software

The first step to ensure the security of strong PC is to install reputable anti-virus software. Having a good antivirus on your PC program, you get reliable safety of Trojans, spyware and hackers. Security programs are equipped with important safety components such as anti-spyware, firewall, integrated antivirus, antispam, anti-phishing technologies and backup data. All these components work together to prevent that advanced and complicated threats online. If you are having an effective antivirus on your PC program, you can continue to scan disks, e-mail attachments, downloaded files and other documents that are created using the word processing and excel spreadsheet programs.

Go for a secure supplier of service of Internet (ISP)

You should always choose an ISP safe after ensuring that the service provider adheres to effective antispam and antiphishing security protocols. If you are not aware of these service providers and then you can go to the website and find the list of the most secured ISP.

Turn on your PC with Windows automatic updates

You should ideally keep automatic updates enabled on your PC, and then custom download all relevant Microsoft Windows updates regularly and keep your operating system updated and always ready to counter security threats. These versions contain security updates patches for the operating system against known security vulnerabilities. If your PC is patched against such threats to security and installed a firewall then your computer will be monitored against installation of Trojans and spyware.

Tread with caution when opening attachments

This is one of the fundamental rules of safe web browsing and the subsequent PC security. They should always use caution when opening attachments. All email and instant message attachments must also set your antivirus to scan program automatically to avoid any security flaw. It is also recommended to ensure that your email does not automatically open attachments or represent graphics. On the other hand, you also need to make sure that the preview pane is turned on. Follow a rule of thumb to not open unsolicited e-mails, messages or attachments, especially those coming from foreign sources.

Be cautious when using Wi-Fi, cell phone devices and smartphones and tablets

You have to be careful during the use of devices such as smartphones and tablets, or Wi-Fi enabled devices because most of the time viruses and Trojans to sneak into your PC using accessory electronic mail/IM that they are downloaded from the web or uploaded along with other data that are obtained from a desktop. Today, we often find incidents of viruses and mobile phishing attacks. Although these attacks are now in the formative stage, but is expected to become more common as more and more people are now accessing mobile multimedia services and content on the Internet from their mobile devices. So the best way to prevent such intelligent threats is to be proactive and care.

Previously discussed they are the 5 important tips that I use on regular practice, you can prevent the majority of online threats. So start applying them while using Internet for browsing the Web and download data and keep at Bay the threats online.

Brooke M. Perry is a fervent technical partner with the virus removal Qresolvecomputer, with wide experience in issues of fixing with PCs, laptops, tablets and smartphones. With a solid history of devising effective ways of security support and online pc system, it has helped me so far thousands of users around the world. His writings on topics of technology are a reflection of their interest in depth and carrying as a support technician in command line. Their blogs and articles have received a high rating for his style lucid, easy to understand language.

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3 Things You Can do to Protect Your Mac From Malware

Gone are the days when Apple's Mac computers were considered entirely immune from threats like viruses and malware. Some of the recently reported incidents approve the fact that the security of the PCs has been challenged and compromised by malware. Analysts worldwide expect that the Apple would certainly come up with improved technology to once again reclaim its forte of producing PCs that have no threats from malware. This article provides you tips using which you can protect your computers from malware.

Below mentioned are the useful tips that help you protect your Mac PC from malware:

Keep the operating system (Mac OS X) always updated

Apple is totally aware and concerned about the security threats for Mac. To fix the system vulnerabilities and secure the Mac OS from malware and other associated threats, Apple periodically releases updates. Users need to install these updates and keep the Mac OS X totally updated so that malwares don't find any loop hole in the system. Apple has been seriously dealing with such security threats since the launch of the Mac OS X 10.5 Leopard. They are releasing updates and doing everything that is possible to improve the Mac security. It has introduced an advanced security feature called 'Gatekeeper' in its latest OS to prevent users from downloading malicious web content, software or programs.

So the first step towards keeping your Mac safe is to keep your OS always updated.

Sandboxing

According to security experts, merely preventing exploits is not enough to prevent threats rather PC makers need to do something more to protect the operating system. This notion is duly realized by Apple which takes initiatives to safeguard Safari by sandboxing certain components of the browser. As you know it very well that sandboxing is process that is effective in blocking the access of unnecessary programs to the data and information stored on your PC.

However, Apple wants to follow the design of iOS because malware have never been able to make iOS their victim. The PC maker also wants to sandbox and certify all the apps that are available on the App store for better security. Although, Apple is in favor of setting stiff standards to improve the security of Mac but at the same time it is apprehensive about its negative impact on the flexibility of developers. Mac users can resort to Apple-approved Mac apps that are very effective in preventing malware from exploiting the vulnerabilities of the computer.

As discussed above, by adopting sandboxing you can secure the data as well as PC from malware and other associated threats.

Use antivirus software

Use of antivirus program is a traditional but effective way of securing your PC and it is equally effective even in case of Mac computers. PC security experts recommend Mac users to use specific antivirus program for better security. One of the trusted antivirus programs for Mac computers is VirusBarrier X6 however you can find many others that are also very useful and effective. Installing antivirus program is the trusted, reliable and best way of securing your PC from all types of malware threats.

The tips mentioned above are effective and helpful in preventing malware attacks on your Mac. Out of the three the most important is to update your OS on regular basis so that threats like viruses and malware don't exploit the OS vulnerabilities to attack the PC.

Hi! I am Brook M. Perry, a prolific blog writer and keen author of articles related to Computer security and solution for issues related to computers and mobile devices. Being associated with the reputedVirus Removal service provider Qresolve, I have resolved thousands of tech issues for our customers from worldwide. It is made possible with the mix of my academic and professional acumen in technologies and IT environment coupled with my dedication and passion to provide quick online a internet security .My areas of interest are virus removal, PC security, endpoint security system, router support etc. You can follow me for my useful computer support articles on Ezine and other article-oriented websites.

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