A cyber attack is an attempt to compromise the function of a computer-based system, or attempt to track the online movements of individuals without their permission. These types of attacks may be not be delectable to the user or network administrator and they may lead to a total disruption of the network that none of the users can perform even the most rudimentary of tasks. Because of the increasing sophistication of these kinds of network attacks, the development of effective software defenses is an ongoing process.
Click here to read the details about a cyber attack that occurred in South Korea.