Cyber attacks refer to intrusion in a computer or a group of computers in a network. Such access is unauthorized and usually the perpetrator in a third party that enters the system, or a computer network and can do much harm to the entire system. Cyber attackers can infiltrate the computer system and release computer viruses that can spread to other computers in the market. They can also record and store confidential and vital data and destroy the same files on the host computer.
Cyber attackers attempt to hack into a network to damage it or steal valuable information. Some of the ways to prevent such attacks are to use software programs that secure the system.
Companies also hire cybersecurity specialists that are IT technicians that ensure the security of all computer systems on the network and protect it from outside attacks from hackers and other infiltrators.