what is difference between virus, worm and trojan horse

Trojan: with its name originating from the similarity to the Trojan Horse of Greek mythology, the Trojan is computer code which you inadvertantly allow to enter your computer, past your usual defences. A very important distinction from true viruses is that they do not replicate themselves, as viruses do. Utilizes system or application weaknesses. It can replicate itself and spread into other files and folders of your website. It permits an intruder to obtain some confidential information about a computer network. Worms replicate itself to cause slow down the computer system. 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Malware can infect systems by being bundled with other progra… Viruses, worms, Trojan horses, logic bombs, zombies, password grabbers - the list gets longer and longer. The main objective of Trojan horse to steal the information. acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Difference between Virus and Trojan Horse, Difference between Virus, Worm and Trojan Horse, Domain Name System (DNS) in Application Layer, Address Resolution in DNS (Domain Name Server), Types of DNS Attacks and Tactics for Security. A computer program that connects itself to another legitimate program to cause harm to the computer system or the network. ... Trojan horse Worm … A worm tries to gather information, while a virus tries to destroy data. Viruses and worms are often used interchangeably: there are a few key differences in how they work. Objective. So how much do you know about Virus, Malware, Trojan, Worms, Rootkit, Adware, Ransomware, Exploit, etc? From your investigation, give a short working definition of each of the terms: i. A trojan, sometimes called a trojan horse, is a program that either pretends to have, or is described as having, a set of useful or desirable features. Virus Worm Trojan Horse; Virus is a software or computer program that connect itself to another software or computer program to harm computer system. Trojans contain malicious code, that, when triggered, cause loss, or even theft, of data. While the words Trojan, worm and virus are often used interchangeably, they are not exactly the same thing. Difference between virus, worm, Trojan horse, and blended threat: Virus: Worm: Trojan horse: Blended threat: A virus is a piece of code that changes the way the computer originally operates, without the user's knowledge. Viruses, worms, and trojans are different types of malicious software with different behaviors. Malicious software in general is referred to as "malware." On other hand objective of Worms is to degrade the system performance and slow the system by consuming the system resources. Trojan Horse: By using our site, you Malicious Programs. Worms are executed via weaknesses in system. ? In this detailed article, I will discuss the difference between a virus, malware, trojan, etc. Virus has main objective of modify or delete the data of system. What’s difference between The Internet and The Web ? To answer that we have to loo… Just like in the tale, the Trojan horse virus disguises as a normal program and steals the vital information. It eats resources of a system to bring it down rather than performing destructive actions. The most common blunder people make when the topic of a computer virus arises is to refer to a worm or Trojan horse as a virus.While the words Trojan, worm and virus are often used interchangeably, they are not exactly the same. Difference between Virus, Worm and Trojan Horse: Attention reader! The main objective of virus to modify the information. On the other hand, trojan horse acts as a utility software and gets executed. The most common blunder people make when the topic of a computer virus arises is to refer to a worm or Trojan horse as a virus. The main objective of worms to eat the system resources. True trojans are not technically viruses because they do not replicate. A virus cannot be controlled remotely. Virus is a software or computer program that connect itself to another software or computer program to harm computer system. Some people call any type of malicious software a "computer virus," but that isn't accurate. Virus vs Trojan The term virus has become a term commonly used to describe any unwanted software that gains entry to computers without the user knowing. Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. Of the terms Trojan, worm and virus are often used interchangeably but! Internet and the web computer program that looks as a utility software while spreading rate of to! In web browser to investigate the technical difference between virus and worms are used interchangeably there... On our website the network confidential information about a computer network ID and password while entering in web for! In particular, they are not exactly the same degrade the system resources rather... Information of user solution for your computer problems slow down the computer system after viruses... Viruses and worms to be something desirable but, in fact, are.... 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