Security dangersThe internet includes many security dangers that may harm your computer. These dangers can cause problems. These problems result in losing data and information. These types of dangers are considered the common security dangers. Viruses Viruses are transmitted to computers in many ways for example, when we use infected CDs. Now, after the breakthrough of using the internet, the (email) became the most wide spread cause for viruses spreading into computers. These viruses may cause harms. The least harm is a damaging a certain programme. - Lack of experience in dealing with some programmes: The wide spread usage of the internet by the non-specialists in this field, leads to updating programmes to make them easier to deal with. It became very easy for anybody to log into the internet and reach the information; this makes the connector exposed to different harms. The inaccuracy and carelessness in using the internet: In choosing your passwords, they should not be known to others or written on papers and they should not be easy to guess. The technical ways followed in limiting security dangers on the systems and computer nets, occasionally limit the use of some applications and internet services. For example, more security may affect the use of chat or communication through the internet. Therefore, security level is left for the user. Information filter It is a procedure taken to prevent the net user from reaching non- secured sites. Any one can determine the type of information he wants to hide. The importance of information filter: Information Filter aims at protecting users from harmful and useless sites Filters: They are programmes that hide the non-secured sites from the users. There is no filtering programme that can prevent completely the nonsecured sites but they aim at limiting the possibility of reaching such sites. Precautions taken before dealing with the internet Computers should be provided with anti-virus programmes to prevent hackers from attacking computers. These programmes should be updated - to get newer versions - We must know many of the concepts of data, information and their importance. They can help individuals and institutions succeed in their work. Data accuracy leads to correct processing and this leads to correct information. We must recognize the following: - Data and information Security - Using original programmes- - Viruses Data and information security means keeping the secrets of (Data, information, computers and the employees in an organization or institution). - Protection should be available on: - Personnal computers. - School computers. - Computer software. - If the computers are connected to the internet, don't try to hack into your friends' sets with the purpose of deleting their files because this is immoral. Protecting Data and Information: We also protect data and information through using original programmes. This is very important because original programmes help us keep data and information and do the correct processing. Original programmes - To have good protection, you should make sure that the used programmes are original. To avoid law questioning, you should have documents to prove that the programmes installed are original. Viruses: The virus is a small programme that can reproduce rapidly and spread. It contains a group of orders that can destroy, delete programmes and data in the computer. Protection against virus should be on every personal or school computer. You should not log into the internet or make a chat without having a strong updated anti-virus programme.You must make sure that your computer is viruses free. You should not navigate through computers if you doubt that you have a computer virus. Remember Data: Data are what we feel by our senses. They are the primary raw materials for an information. Information: It is the outcome of data processing either syntactically or analytically to deduce the contents of data. Information properties: It should be precise, plentiful, developing, clear, modern, real, documnted, updated, objective and testable. Mental property: It means protecting the programmes you have designed according to certain laws: Copyrights and international agreements. Licenses agreements: On buying any programmes, you will find the licence agreeement enclosed with the programme as follows: * a paper printout. * a printed page. * a web page. - The positive sides of information: Information has an important and positive effect on the national security, education, health, economy, the state's policy and even on our life in general. The Negative sides of information: Information has also a dangerous negative side, for example satellites are used for spying. They know no limits or privacies for nations. They can hack on the sovereignty of nations. The information transmitted by Mass Media, tranmit whatever they like of false information about nations and people. They also penetrate the ideas and information into countries and no one can stop or prevent them. The main aim here is economy. Examples to show the negative sides of information: - The internet. - Hacking. The world Net is called (World Wide Web) It links and carries data to many countries in the world. Anyone can navigate through the internet easily. Our computers are exposed to the following dangers when we log into the internet: 1- Viruses 2- Lack of experience in dealing with the internet 3- Inaccuracy in using the internet. Ways for avoiding Security dangers: 1- Use anti-virus programmes 2- Use the e-mail carefully. 3- Be careful when you install programmes from the internet. 4- Avoid any unknown programmes for you or that you lack experience in. 5- You should use very updated filter anti-virus programmes in dealing with the internet. Information filter: It is a procedure taken to prevent the net users from reaching the nonsecured sites. Any person can decide what type of information he wants to hide. The importance of information filter: It protects the net users from the harmful and useless sites. Protection should be available on the personal computers, school computers and the software in the computers connected to the internet in school laboartories
Questions a- Choose the correct word: - Data are the raw materials for…………. (information - processing - data) - Information is the output of………….. (Information - processing - data) - The mental property is the ………….of the thought that carried out the - programme. (Protection- information- processing) b- Fill in the spaces to complete the sentences The mental property is…………..of the programme that carried it out. On buying any programme, there are licence agreements for the programme as paper print outs, …………….. and as a web page for the programme itself. - Information has a great positive effect on the life as a whole represented in………….. - Information has dangerous negative effects, for example, satellites are used in……………………. c- Fill in the spaces using words from the list: false- plentiful- World Wide Web- clarity – modernization- link- realismlogging- data and information- entry- intended. - Information transmitted by the foreign Mass Media may be ……….. - Information are distinguished by…………, precisness, development,…………..,………….. and…………… - The internet is called the World Wide Web as it ………..between many information nets and databases in most of the countries. d: Answer the following questions - In dealing with the internet, there are many dangers that threaten your computer. Mention the ways that help you avoid these dangers? - Mention some of the security dangres that you may face when you are connected to the internet? e: Complete the following sentences - Filtering information has a great importance for computer users as it ……..the users from the harmful sites. - Protection for computers should be available on……………., the school computers and …………………………… - Filtering information programmes are called…………………..
Data and information Security Security means keeping the secrets of (information, Data, computers and the individuals who work in an organization or an institution.
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