CHAPTER 1
An Introduction to Computer Security
Protect Your Computer from Being Vulnerable to Attacks Accessing the Internet on your computer is pretty common these days. The Internet will provide you the ease of accessing numerous products and services while sitting back home. With such ease comes the danger of attacks of viruses and other damaging elements. Use of the Internet exposes your computer to scammers, hackers, and identity thieves.
Computer Security
When you access the Internet, there are several scammers, hackers, and identity thieves that are in search of a person whose personal information could be stolen and used for illegal purposes. Your money is also prone to these attacks. These dangers nullify the benefit of the Internet; thus there are steps introduced to protect your computer from these dangerous elements. Some of the common preventions that you have heard from elders are not to provide your personal information without a valid reason and to keep your software up-to-date.
Use Security Software That Updates Automatically
There are too many bad guys who are always trying to find a way to attack your computer. They are always making an effort to find a new way to attack your computer and to access your personal information. Thus, it is highly important that you keep your software updates so that it helps protect you against the threats. There are numerous security software that can update all by themselves. You should try to use this kind of software on your computer so that, even if you forget to update, your computer is secure from attacks. There are several such companies who offer free security software from well-known companies. You should alter your operating system and web browser settings so that they update regularly. If you are not going to make sure that your software is up-to-date, then you are providing them a way to attack your computer. You should avoid buying security software from the companies that claim that they have found malware on your computers because they are actually the scammers who send in messages to get access to your computer.
Your Personal Information Is Just like Cash
Your personal information is extremely important and you need to value it as you value your cash. Scammers will try their best to present themselves as trustworthy, but you need to be careful about the fact that this information is highly confidential.
Research About the Companies You Are Really Dealing With
Research can save you from scams and other dangerous acts that you might get involved in just because your personal information was leaked on the Internet. Usually people go after the ad or the offer that looks quite attractive and then get scammed. So if you find any kind of ad or offer on the Internet just spare time to research about the company. Just type the company name with the words reviews, complaint, or scam on Google or any other search engine you prefer to use. If you find negative reviews then understand one thing — that you are on the wrong side. If you are not able to find anything then again understand that there are some issues with that.
Ensure That You Give out Your Personal Information over Encrypted Websites Only
When you are shopping online or making a banking transaction, then you need to ensure that the website uses encryption to protect your information. When the information travels from the computer to the server, then it is vulnerable to the attacks. To make sure that the website is encrypted, ensure that the website address is written as https. The s at the end states that the website is secure.
There are a few websites that use encryption only on the sign-in page. Thus, you need to make sure that each page contains security. If each page doesn't have the required security, then the website is surely vulnerable to attack, and you are risking your information.
Safeguard Your Passwords
It is recommended that you should use strong passwords so that it is difficult for others to crack and use your information for illegal means. The following are some of the guidelines that will help you keep strong passwords:
• It is advised that you should use long passwords because it is difficult to crack long passwords. The ideal length of a strong password is ten to twelve characters.
• Try to mix letters, special characters, and numbers so that your password becomes challenging to crack. Just make sure that your password is unpredictable. There is no need to use your name, birth date, or common words as these things make your password predictable.
• Although passwords are difficult to remember, it is still advisable to use different passwords for different accounts. In case one of the accounts is hacked and the password is stolen, then there is a fair chance that your other accounts have become vulnerable to attacks as well.
• Sharing passwords on the phone through texts and e-mails is quite dangerous. Legitimate companies will make sure that they do not ask for your password through messages. If you do get such a message, then it is surely a scam.
• You need to make sure that all the passwords are kept in a secure place.
Make Sure You Back Up Your Files
It is a fact that the systems made by humans are not 100 percent secure. It is extremely important to copy the important files on a removable disc or in an external hard drive, and keep it in a safe place. This will ensure that your data is completely safe even if your computer is compromised.
Securing Your Wireless Network
In this modern age, the wireless home network has numerous devices connected to them like our computers, phones, cameras, and even our televisions as well. It is extremely important to take steps to secure our wireless networks as these will ultimately help to secure your devices and your information from being compromised.
Try to Understand the Way a Wireless Network Works
When you go wireless you actually connect to Internet access points. A wireless router sends signals through the air. If you have a strong router then it may send signals as far as a hundred feet. If you have a wireless network, then any device within the range can pull the signal from the air and it can easily access the Internet.
If you do not take precautions, then anyone coming within the range of your router can access your network. If you have any hacker in your neighborhood they could "piggyback" on your network, or he could easily access your information on your device. If your network is used to commit a crime or send spam, then you are going to be held accountable...