Cyber security is gaining tremendous attention nowadays due to the increasing use of internet, computers by the media and various public and private institutions. They recognize the terrible impacts with the cyber attacks. Cyber security involves preventative methods which are used to protect information from being stolen or attacked. Cyber attack is a crime that involves a computer and a network for stealing and attacking of information. It is an attack where a person uses a computer to commit an illegal act. At present, cyber attacks is the current challenging issue which has resulted in computer based criminal activities which are generating worldwide threat, destruction and disruption. There is no border for cyber activities. The increase in the use of internet by the world wide users and lack of international cyber …show more content…
It is often used to destroy something on a computer or to steal private information.
2.4.2 Viruses
Viruses make a computer "sick". They infect a computer, just like a virus that infects a person. They hide inside the depths of the computer and replicate themselves and survive by attaching to other programs or files.
2.4.3 Spyware
Spyware is also used to steal confidential information. It is a form of malware that monitors or spies on its victims. It usually remains in hiding and capable of recording keystrokes i.e.; what a user types on the keyboard, which says that the attacker can view passwords that the victim or user enters into the computer.
2.4.4 Worms
Worms differ from viruses. They will not attach themselves to other files or programs and are capable of surviving all by themselves. They not only do they replicate on a single computer host, but they can also replicate across an entire network of computers. This makes a worm significantly more dangerous than a virus. They replicate themselves in multiple times to full fill a nefarious purpose just like virus.
2.4.5 Password