Worm vs Trojan | Difference | Comparison

Worms and trojan horses are two abhorrent threats that have emerged in the digital age. There are many different types of harmful code categories available to attackers today when it comes to computer security. These subcategories of harmful programming are frequently confused. For instance, some people mislabel worms as trojan horses. We assist you in understanding the difference between these two forms of harmful code so you can implement the proper protection. So here this article gives the difference between worm vs trojan to better understand this topic.

What is Worm?

Worms are a type of computer software like viruses, they do not alter the program. It keeps reproducing itself, slowing down the computer system. The worm can be managed remotely.

What is Trojan? 

Unlike viruses and worms, the trojan horse does not replicate itself. It is a covert piece of code that steals the user's vital information. The email ID and password, for instance, are observed by trojan by trojan horse software when entered into a web browser for logging

Worm vs Trojan Horse | Difference between Worm and trojan: 

  • A worm is a form of malware that replicates itself and can spread to different computers via a network. A trojan horse is a form of malware that capture some important information about a computer system or a computer network.
  • Worms' primary goal is to consume system resources. The fundamental goal of the Trojan horse is to regulate system activity.
  • Worms can be detected and removed by antivirus and firewall. Trojan horses are detected by antivirus software.
  • The worm doesn't need a host to replicate from one computer to another. A trojan horse requires a host is needed for spreading. 
  • The worm can give unauthorized access and control of the system to hackers. While trojan horse also gives unauthorized access and control of the system to the hackers. 
  • The worm is less harmful as compared to trojan horses. Troja horse is more harmful as compared to the worm.
  • Morris worm, Strom worm, and SQL slammer are some examples of worms, back office,  rootkit, and beast trojan are some of the common trojan horses.
  • Worms operate by exploiting a system flaw. Trojan horses run as software utilities and are interpreted by programs.

Worm and trojans come under the category of malware. the worm has the ability to replicate itself, which makes the rate of spreading the viruses significantly higher. Worms mainly spread to slow down the system or waste system resources. While the trojan's horses do not replicate themselves like worms, they hide inside a simple downloadable program or an email to mislead the users and eventually, steal confidential data or information of users. Trojans can give attackers backdoor access to the device, record keyboard strokes, or steal sensitive user data.

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