Whenever you are connected to the Internet, it is a sad fact of life that your computer is at risk of being infected with a virus or spyware, or even of being hacked. This can happen without you even knowing about it. It doesn't matter whether you are just browsing through websites or signing up or logging in as members on others, you are still in danger of being compromised.

As we sail through 21 century, internet becomes a way of living for many people around the world. No matter how you access the internet to check emails, read news, do shopping, or conduct business, there is no doubt that internet becomes a big part of our daily life.

What is a Hosts file? How can it prevent spyware from "calling home" with your personal information? Learn how the Hosts file works and how to use it to stop spyware.

1. How the Hosts File Works

Scanning your computer system to remove any spyware invaders that may be present is a good first step to protecting yourself from potential threats on the Internet; however, it simply is not enough. All too often, spyware components can come back just as easily after they are removed. To provide future protection for your computer system you need a thorough spyware blocker.

Your computer, just like your pets and kids, need to be immunized against potential threats. Spyware blocker programs are designed to provide that very protection and immunization.

Ideally, spyware blocker programs should have a variety of protection features to ensure your computer receives more than adequate immunization. Consider this for a moment. Which would you prefer:protection from ever developing a disease or a cure after you have it and become ill? It's not an understatement to say that just about everyone would say they would prefer to never get the disease in the first place. That's why we all line up at the doctor's office as kids to receive immunizations and booster shots.

As people become more comfortable using computers, it seems that people's lives are being stored virtually on hard drives. Yet many people still do not take rudimentary actions to protect and back up their data. Having a backup for an emergency or securing your computer from intruders does not have to difficult or time consuming.

Think about all the music, text files, pictures, financial records, videos and other files that you have created or collected that is stored on your hard drive. What if that hard drive failed? Would you be able to recover those files? Would you want to? There is simply no reason not to have an external hard drive to back up your sensitive to. An external hard drive can make daily, weekly or monthly backups. You can set it to make backups on only those new files added to your computer or full backups every time. The software that controls the backup process is typically easy to use and very flexible. Do not be one of those people who suffers a hard drive crash only to realize that they did not have adequate copies of their files stored externally. Plan for the worst.

Adware and spyware have reach epidemic proportions. They have turned into malware due to their viral and very aggressive behavior. With the threat of identity theft and financial fraud looming on the Internet, adware and spyware can be more than just annoying. Here are four methods to remove or simply avoid adware and spyware without spending a dime on the latest "anti-virus" software.

1. USE Firefox. If you don't use the Internet much, than perhaps you don't know much about Firefox. All you need to know is that it is a browser that works REALLY well and has great security features.

2. Do NOT USE Internet Explorer. Internet Explorer is like Swiss cheese. It is open to the world by default. Microsoft is continually releasing patches to fix all the flaws in the Internet Explorer 6.X and lower versions of the browser. Although it can be "secured" by increasing the security it may loose much of its functionality once set to maximum security with certain exploitable features off.

The whole arena of spyware intrusion is extremely fluid with the spyware writers trying to outsmart everyone, and the software protection writers diligently working to keep up with the hundreds of new worms and viruses appearing nearly every day.

Fortunately, there are generous individuals and organizations who have the facilities to review the work of the Anti-spyware developers and make the results available for all of us everyday users of the Internet.

The challenge for us is to know where to go for these results and recommendations, and to know which of the anti-spyware and anti-virus programs to use on our computers.