online threats

online threats

1. opportunist threats

   • if a person finds a unattended computer that's logged on they can use it to find images files or personal information

2. computer viruses

   • viruses small programs which can replicate themselves and spread from computer to computer.
     • viruses are not normally beneficial because they will make changes to the computers software
       • They arrive by attaching themselves to files or email messages.

3. malware.

   • malware include: computer worms,Trojan horses, spyware; adware; and various other things
     • computer worms are computer virus's which do not need to attach itself to a file or message
     • Trojan horses appear as some benign program allowing a hacker full access to a system

4. Phishing.

   • This is a type of threat which attempts to gain access to passwords, fi nancial details and other such privileged information. Often this is done by email messages pretending to come from trusted websites, instant messaging or social networks. Normally they try to divert you to a website which looks original and which asks for information about you

5. accidental damage

   • this may be caused by a natural disaster (e.g. flooding), mischief or accidental mishap, and can result in losing all of a computer’s data.

6. importance of security

   • computers are all ways under risk of attack and it is impossible to make a computer 100% protected