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The 5 Most Common Types of Viruses
Computer viruses are those malicious programs that once they infect your computer, they will start causing mass destruction to your PC. Similar to biological viruses, they can multiply in various ways and develop from one type to another. Since there are hundreds of viruses out there, here are the five basic types of viruses that people are most likely to encounter, in order to make the identifying process easier.
Trojan Virus
Worms
Macro Virus
Boot Sector Virus
File Infector Virus
Trojan Virus – This virus appears to be nothing more than an interesting computer program or file of a user who’s interested in collecting audio files. Once this virus enters your computer, it doesn’t reproduce, but instead makes your computer vulnerable to malicious intruders by allowing them to access and read your files. A Trojan horse must be sent by someone or carried by a program or software of some sort. The malicious functionality of a Trojan horse may be anything undesirable for a computer user, including data destruction or compromising a system by providing a means for another computer to gain access, thus bypassing normal access controls.
Worm A Worm is a virus program that copies and multiplies itself by using computer networks and security flaws. Worms are more complex than Trojan viruses, I should say, and usually attacks multi-user systems. It can spread over corporate networks via the circulation of emails. Once multiplied, the copied worms scan the network for further escape and will then cause errors on the network.
Macro Virus – This type of virus usually comes as part of a document or spreadsheet, more often found in an email. Many of the current macro viruses are written in this language and attached to Word documents. This capability is powerful, but allows viruses to be written and executed much more easily than by using other methods.
Boot Sector Virus – A virus which attaches itself to the first part of the hard disk that is read by the computer upon start up, which are normally spread by floppy disks. In time, they can spread to other readable disks. Booting problems and start up problems, problems with retrieving data, computer performance instability and the inability to locate hard drives are all issues that may arise due to a boot sector virus infection.
File Infector Virus As the name indicates, this type of virus was designed to avoid detection by antivirus software by changing itself internally. Upon running a program that has been corrupted by a file infector, the virus copies the malicious code and applies it to other executable applications on the computer. Files that are the most vulnerable to this type of infection have the extensions of EXE. and .COM, though any file is capable of execution can be infected.
How to fight some of these viruses is still completely a puzzle for anti-virus makers. However, knowing a little about your enemies could be an advantage to get vital information on how to defend your computer from those threats. Read on Virus Removal Help – How to Remove Viruses Easily From Your PC? in order to become more familiar with the steps on how to remove the common types of viruses from your computer.
Free and Easy Link Building Tips (Page 1 of 2)
Okay, you’re the proud mama or papa to your brand new website. Now what? This isn’t like the movies – just because you built it doesn’t mean they’ll come. The Internet is a huge limitless space with ever-growing numbers of websites. You are just one small website among millions. How will anybody ever find you? How do you become visible?
Right now, you just exist out in the web, untethered. You need to become visible when someone searches for you and one way to become visible to people is to become visible to search engines. And one way to become visible to search engines such as Google, Yahoo, or MSN is for your site to be tethered, or linked to other sites.
If you’ve spent any time reading Internet marketing blogs you know that link building is a huge part of a marketing campaign. Backlinks – links that point to your website – are a major factor in determining your popularity or ranking with the search engines. And of course, just like in high school, you want to be popular.
You can buy your way into links like you can buy high PR links for your website easily, but here we’re talking about a few free and easy ways. An obvious and natural way to build links is through content. When you start a link-building campaign for your new website, focus on attracting links that will add value for your website visitors and best represent your most important keywords too. It is invaluable to have visitors go to your site and share your content.
Here are a few easy and mostly free ways to build links for your website.
Blog-Based Link Building
One way to get natural links back to your website is by setting up a blog for your company. Make sure you network online with other blogs that complement yours. If you share industry news and have useful and relevant content, you’ll attract links. Reference other bloggers in your content and link to other blogs in your industry.
For blogs, content is extremely important. Every time you add words to your blog or website, you are presenting yourself to a potentially huge audience. How does your blog’s content reflect your company? This content could be the page that carries your company’s name around the Internet world. Cheap content is just that – cheap. Create content that people want to read and that will make them come back again and again.
Reviewing products and services and posting those reviews on other sites is another way to build links many of the Link building Services adopts this way to promote the website. Your honest evaluations and smart opinions can also build your reputation as an expert in your field.
Link Building with Social Media
Another way to build natural links to your website is through social media sites like Facebook, LinkedIn, MySpace and Twitter. These sites allow you to set up a user profile where you can add information about you and your company including a link to your website.
Some sites, Facebook for example, also have a way to promote your business with a page, ad or group. Just keep in mind that there are good ways and bad ways to promote your business on social sites and you should observe proper etiquette when you do.