What Is Computer Virus And Its Types Pdf

what is computer virus and its types pdf

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A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data.

An introduction to computer viruses: problems and solutions

Computer viruses are a lot like biological ones. Once they find a suitable host, they can replicate themselves and spread their disease to others. Both types prey on weakened defense systems and the best way to fight them off is to render them non-infective and then build up immunity. For computers, the best way to do this is to periodically replace outdated antivirus software. To date, computer engineers have identified three major types of viruses, which can be further divided into many separate subcategories. They include:. The experts at Austin Mobile Computer Repair specialize in virus elimination.

Secure Sockets Layer SSL is a protocol developed by Netscape for establishing an encrypted link between a web server and a browser. SSL is an industry standard which transmits private data securely over the Internet by encrypting it. It is used by many websites to protect the online transactions of their customers. Description: SSL functions around a cryptographic system which uses three keys t. Cross-site scripting XSS is a type of computer security vulnerability. Description: Cross-site scripting XSS exploits the 'same-origin-policy' concept of web applications to allow hackers to extract information from the system. How it works: Attackers conduct script injection that runs at the client side and is sometimes.

What is a Computer Virus and How Can I Protect My Computer?

The purpose of this paper is to discuss various types of computer viruses, along with their characteristics, working, effects on the computer systems and to suggest measures for detecting the virus infection in a computer system and to elaborate means of prevention. The author undertook an extensive study and review of the literature available online and on relevant web sites on the present topic. A large number of viruses were found during the study, which are causing serious damages to computer systems. The author suggests ways to detect and prevent the different computer viruses. The research is based on and limited to the study of the relevant literature available on different relevant web sites. The research will benefit business organizations, business houses, educational institutions and libraries working in fully computerized environments, in detection of viruses and preventing infection of their computer systems. The society will also benefit by attaining knowledge about the different types of computer viruses and the measures of prevention of infection.


Types of Computer Viruses · Boot Sector Virus – This type of virus infects the master boot record and it is challenging and a complex task to.


Computer virus – Virus protection & removal

Secure your endpoints and servers with industry-leading protection, detection, and response solutions. A computer virus is malware attached to another program such as a document , which can replicate and spread after an initial execution on a target system where human interaction is required. Many viruses are harmful and can destroy data, slow down system resources, and log keystrokes.

People tend to play fast and loose with security terminology.

Computer Virus

A computer virus is not that different from a real-life virus like, say, the flu. When contracted, they can both remain dormant in the system only to become active when you least expect them to. If you detect the threat early and take appropriate measures on time, you will be able to keep the symptoms under control and recover very quickly. Left untreated, however, not only can viruses spread to others but they can also wreak havoc on the health and wellbeing of their host. Key takeaway: A computer virus is malicious software or code that infects files and programs on your computer.

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Guy R.

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DEFINITION: A COMPUTER VIRUS IS A COMPUTER PROGRAM THAT CAN COPY ITSELF, IN ANOTHER WORD WE CAN SAY THAT VIRUS IS ATTACHES ITSELF TO A PROGRAM AND PROPAGATES COPIES OF ITSELF TO OTHER PROGRAM. TYPES 1. PARASITIC VIRUS: THE TRADITIONAL AND STILL MOST COMMON FROM OF VIRUS.

EugГЁne D.

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Harriet W.

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Keywords Computer science, computer virus, throughout the A trojan horse might install a virus as its in- virus. There are some other types of viruses which​.

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