IT-Part3 for icdl exams and internet .ppt
- 2. Information security Information security Some files contain sensitive data Some files contain sensitive data like ( research for new product , like ( research for new product , management accounts ) management accounts ) so we should protect it so we should protect it We must protect data against Lose data Hackers viruses
- 3. Lose data
- 4. The Importance of shutting down your The Importance of shutting down your Computer Computer When you are using a windows , its When you are using a windows , its important to remember that switching off important to remember that switching off the computer or losing power (power the computer or losing power (power cut) can cause lose data , to protect cut) can cause lose data , to protect against this you should save your work against this you should save your work regularly regularly When you shutdown your computer you When you shutdown your computer you data will save automatically data will save automatically
- 5. UPS ( Un – interruptible power supply ) UPS ( Un – interruptible power supply ) Its device which you can Its device which you can attached to your attached to your computer which will computer which will guard against power guard against power cuts cuts It contains a batteries It contains a batteries which will keep your which will keep your computer alive along computer alive along enough for you to use enough for you to use the shutdown the shutdown
- 6. Back up Back up The most important thing that you The most important thing that you store on your computer is store on your computer is information. information. Often the contents of a hard disk Often the contents of a hard disk can represent years of work. can represent years of work. If the hard disk stops working one If the hard disk stops working one day you could lose all those day you could lose all those years of work. years of work. For this reason it is VITAL that For this reason it is VITAL that you take regular backups of the you take regular backups of the information that is stored on the information that is stored on the computer. computer.
- 7. Organize your computer for more Organize your computer for more efficient backups efficient backups Complete vs. incremental backups Complete vs. incremental backups Use 'off-site' storage Use 'off-site' storage Beware of 'open files‘ Beware of 'open files‘
- 8. Hackers
- 9. Access right Access right Are intended to protect a company intellectual property Are intended to protect a company intellectual property Determine which files individuals can read or change on Determine which files individuals can read or change on the network the network You can access to the network by using User name and You can access to the network by using User name and Password Password
- 10. User ID and Password User ID and Password A user ID is normally use to log in to a computer or A user ID is normally use to log in to a computer or computer network computer network Use a password which is only known to you Use a password which is only known to you The password guarantees that no one can access The password guarantees that no one can access network and impersonate you network and impersonate you The idea of access rights is that you only have the ability The idea of access rights is that you only have the ability to connect to or share devices which you have authority to connect to or share devices which you have authority to use to use
- 11. Using a secure password Using a secure password Is important to chose a password which Is important to chose a password which can not be easily guessed by other people can not be easily guessed by other people It should be at least 8 characters and It should be at least 8 characters and contain mixture of number and word contain mixture of number and word You should to change your password You should to change your password regularly regularly
- 12. What if your laptop stolen What if your laptop stolen You must have a back up to You must have a back up to your important file to your important file to restore it restore it You must make a password to You must make a password to your laptop your laptop to prevent to prevent misuse the misuse the confidential data confidential data
- 13. Virus Virus
- 14. Computer Virus Computer Virus What are computer What are computer viruses? viruses? How infect your How infect your computer computer How do you protect How do you protect computers from computers from attacks attacks Anti virus update Anti virus update