Types of Cyber Attacks
Malware
The full-form of Malware is Malicious Software. It is a small file or code of software program that enters in your computer without permission with the aim of preventing the performance of your computer system but it's actual task is to stealing data or damage your computer machine.
a) Virus
Viruses are the small piece of code i.e. programs in the computer system which destroys the data stored in the machine. It does the work of erasing or corrupting computer data. Virus is a deliberately written program with the false intensions. It attaches itself to the boot of the computer and whenever the computer boots, Every time it replicates.
b) Worm
Worms does not modify the information. It makes copies of itself more and more to cause slow down the machine. Worms can be controlled by remote. The main objective of worms to consume the system resources.
c) Trojan Horse
A Trojan horse or Trojan is a program that looks like a genuine program, but if it runs on the machine then it's effects are terrible. It can be used by a hacker to break a password. It erases all the data and programs on the hard disk. Unlike any other virus, A Trojan does not duplicate itself. With the help of trojan horse the hacker can control the computer from another computer sitting remotely.
d) Spyware
Spyware is a type of malware that installs into a user's computer machine and collects information about users without the knowledge of them. It is a software that secretly monitors the user's computer, Meanwhile spyware does much more than just surveillance.
e) Adware
Programs that get into our system while surfing internet through untrustworthy advertisements and harm our system or our data, When we are visiting any website and just clicking on untrusted advertisements. They enters through that click only.
This malware can block your computer screen or Android device, Even they can encrypt data files on your devices and they can threaten a computer user to delete their data for raising demand for ransom of money.
g) Keyloggers
Keylogger is a program that records all the keystrokes in a computer that user does. They are also installed into other's systems by hackers indirectly, So that they can spy on a user's computer, as well as to know what the user is typing at the other end.
h) Bots/Botnets
Bot can be also said as malware that can take advantage of someone's computer machine to accomplish a task that is centrally controlled by the attacker. These compromised machines are known as Bots. If there is a collection of one or more bots, We can call it as network of devices i.e. Botnet. Botnets are configured to utilize the power of the Internet connected machines to carry out some distributed function.
Phishing
In this type of Cyber Threat, The hacker sends a message or email to a person in the form of a trusted organization or bank which looks absolutely valid. The purpose of the hacker behind this is to cause financial harm to that person by taking sensitive information like bank account, debit card, Aadhar card number etc.
Man in the Middle attack(MitM)
In this type of cyber crime, The attacking hacker keeps on spying on the communication of two people and after some time becomes one of those two people with the necessary information or details. Through this method hacker gets all the sensitive data like bank, debit, credit Card details etc.
SQL Injection Attacks
When the SQL queries are generated by the web application, These malicious codes attach to the correct SQL queries to establish contact with the application's database and here the malicious activities begin, which ends in the form of database hacking.
DDOS Attack
The DDOS stands for Distributed Denial of Service attack, It is a type of cyber attack, whose purpose is to interrupt (stop) any online server, application, website or services, So that the users could not able to access the services properly.


