Sunday, March 20, 2011

threat to files

1. Unauthorised Access 
       Hacking can be a problem when online as it can ruin your files and put viruses on your computer
       -Position of computer and use a password. 
2. Internet & Email 
        The internet is a threat because of hacking and emails can send viruses.
       -Worry about what sites you go on to and if they are legitimate.
       -Dont open attachments unless you trust the person who sent them.
3. Viruses, Trojans & Spyware 
      -This is when you have unauthorized access such as viruses and trojans use your computer            
      spyware. Spyware is a file downloaded from internet and grab all your password and account        
      numbers and sends them back to the writer. The other type of virus is one that causes harm to the 
      system meaning you cant write your files. A trojan is a hidden virus that pretends to be another file 
      and when opened it ruins your files.
4. Power Failure 
      Power failure can cause the loss of unsaved work. 
      -Corrupts files, ruins the machine and loses file when power is cut off.
5. Natural Disaster 
      Natural disasters can lead to data corruption and unauthorized access.
      -Keep files in a high place, not on ground floors incase of flooding etc. Have folders backed up on    
      several things.
6. Data Corruption 
       -A mix up within the file, which results in the computer not being able to open it. This can be   
       caused by any of the above.
7. Peer to Peer Access
       -Opening up acces to your machine with lime-wire to anyone on the network making it easy for 
       hacker to feed viruses and malware to your computer.

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