What is cyber security?

It seems that everything relies on computers and the Internet now — communication (email, cellphones), entertainment (digital cable, mp3s), transportation (car engine systems, airplane navigation), shopping (online stores, credit cards), medicine (equipment, medical records), and the list goes on. How much of your daily life relies on computers? How much of your personal information is stored either on your own computer or on someone else's system? Cyber security involves protecting that information by preventing, detecting, and responding to attacks.

What are the risks?

There are many risks, some more serious than others. Among these dangers are viruses erasing your entire system, someone breaking into your system and altering files, someone using your computer to attack others, or someone stealing your credit card information and making unauthorized purchases. Unfortunately, there's no 100% guarantee that even with the best precautions some of these things won't happen to you, but there are steps you can take to minimize the chances. What can you do?

The first step in protecting yourself is to recognize the risks and become familiar with some of the terminology associated with them.

• Hacker, attacker, or intruder - These terms are applied to the people who seek to exploit weaknesses in software and computer systems for their own gain. Although their intentions are sometimes fairly benign and motivated solely by curiosity, their actions are typically in violation of the intended use of the systems they are exploiting. The results can range from mere mischief (creating a virus with no intentionally negative impact) to malicious activity (stealing or altering information). Malicious code - This category includes code such as viruses, worms, and Trojan horses. Although some people use these terms interchangeably, they have unique characteristics.
  • Viruses - This type of malicious code requires you to actually do something before it infects your computer. This action could be opening an email attachment or going to a particular web page.
  • Worms - Worms propagate without user intervention. They typically start by exploiting a software vulnerability (a flaw that allows the software's intended security policy to be violated), then once the victim computer has been infected the worm will attempt to find and infect other computers. Similar to viruses, worms can propagate via email, web sites, or network-based software. The automated self-propagation of worms distinguishes them from viruses.
  • Trojan horses - A Trojan horse program is software that claims to be one thing while in fact doing something different behind the scenes. For example, a program that claims it will speed up your computer may actually be sending confidential information to a remote intruder.

Internet has change the way people run their daily activities. Now in some places you don't need to go shopping, just use the WIFI. Because of the internet we don't have to que to pay bills and ulitilies, just pay using online banking. Student and job seekers no need to rush to the university office or to company office to have form, just fill in onlin (online application). Paying tax also online now. So, everything use internet. Hence it security is the major concern now for many individual.

For government, everything is online now. Information sharing and communicating using internet, hence obviously cyber security is the major concern and is the must nowadays. People can get kill just using internet now.

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yoi,
nice analysist there
I Think Privacy Is Bigger Problem

Privacy is not just a big problem but it's a tough one to attend. Today you have one good program to hide your privacy and security, right the next day you will see someone already hack your computers or your program website.

But life and internet must go on.

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o Trojan horses - A Trojan horse program is software that claims to be one thing while in fact doing something different behind the scenes. For example, a program that claims it will speed up your computer may actually be sending confidential information to a remote intruder.

Thats why i'm really hate trojan. But its fine today because i have nod32 antivirus and its always update. So, any trojan cannot slip to my pc anymore..

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No matter it is virus, trojan or warm, I hate all. It has affetced my daily work very much .

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Sadly, with every good invention comes abusers. Hackers and virus designers must have no life since they create worthless programs for the sole purpose of destroying someone else's computer. I don't see the fun in that.

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- Cmiles8

Hi guys, originally virus was created for protection. I have read article saying that first virus developer was Pakistan nuklear scientist to protect Pakistan computer data system. But now they have add/change the function and use of virus, instead of for protection, they use it to create troubles to other computer users.

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