Cyber Attack is an attempt by hacker to destroy or damage the computer network or system. Cyber Attack means malfunctioning of unauthorized users. Cyber Attacks can be defined as accessing data unauthorizingly. It is an attempt to compromise the function of a computer system. Simply cyber attack is a attempt to track the online movements of an individual or an organisation without their permission.
l Cyber Attack cannot cause any damage to the equipment or systems. The main goal of cyber attack is to gather the information of general movements and accessing of data by authorized users to copy and forward key documents that is saved on the system hardware or server. Finally cyber attack capture and transmit the information.
Cyber Attack captures the information by downloading some type of viruses in to the system that is hardware or server where the data is stored without the knowledge of the concern owner of the equipment. This malfunctioning.of systems information is done by using spywares. Spyware runs quietly in the and background prevents the usual functions of the system. It creates problem to the user who uses the attacked network or computer connected to that network.
Types of Cyber Attacks:
1) Scareware Attacks: This attack gives the warning that "If you give money the infection they put on your
computer will be removed. This attacks can be detected easily by seeing the
warning message.
2) BOTS Attacks: This attacks are the compromised attacks for the machines by sending out Spam e-mail.t
Computers connected in this network have a jump in the traffic coming for those infected
machines.
3) Virus Attacks: This virus attacks is done on the background. This are very difficult to recognize because
these viruses are not of single type. The viruses are of different types and code is also
varies. Viruses slow down the computing resources which are infected.
4) Trojan Attacks: Trojan attacks attacked to the computer via web. these are very difficult to recognize. . These attacks leaks the data out of the network.
5) Password Attacks: Password attacks are very difficult to identify. Even we cannot identify that our
system had been attacked. In this attacks antivirus be not helpful.
6) Database Attacks: The database attacks are very danger because everything in the system is saved in the
database. If the attack is done on the database then the data stored completely in it
vanished or else it is duplicated and the copy of the data can be sent to the attacker.
7) Internet Attacks: 24/365 days internet attacks are going to happen. Firewalls plays a key role in
preventing this type of attacks.