Trojan horse (computing)

For the original from Greek mythology, see Trojan Horse. In computing, a Trojan horse (also written as trojan) is malicious software that misleads users of its true purpose. Sometimes a Trojan horse does exactly what it claims to do but it also does something else. This is because its real hidden purpose is to perform malicious actions in the ...

Computer Virus: What are Computer Viruses?

Computer viruses spread across systems, infecting programs & files with malicious code. Learn to scan for viruses (and try our free virus scanner), remove viruses, and protect your computer against future infections.

Computer virus

Computer virus. A computer virus is a program that is able to copy itself when it is run. [1] Often, computer viruses are run as a part of other programs. Any program that is affected by the virus is "infected". Biological viruses also work that way, as they copy themselves as part of other organisms. This is how the computer virus got its name.

What Is a Computer Virus?

Learn what a computer virus is, how it spreads, and how this type of malware can pose a significant threat to an organization's endpoint security.

What Is A Computer Virus?

A computer virus, much like a flu virus, is designed to spread from host to host and has the ability to replicate itself. Similarly, in the same way that viruses cannot …

What is Computer Virus? | Types of Computer Virus

Resident Virus – A virus which saves itself in the memory of the computer and then infects other files and programs when its originating program is no longer working. This virus can easily infect other files because it is …

What Is a Computer Virus?

A computer virus is an ill-natured software application or authored code that can attach itself to other programs, self-replicate, and spread itself onto other devices. When …

How to Remove a Virus (with Pictures)

Hold down ⇧ Shift while clicking Restart in the Power menu. Click Troubleshooting on the blue screen. Click Advanced Options, then click Startup Settings. Click Restart, then press 5 to select the "Safe Mode with Networking" option. If "Safe Mode with Networking" is tied to a different key, use that key instead. 9.

Virus | Computer Security Wiki | Fandom

Virus. A virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the user. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive ability. A true virus can only spread from one computer to ...

What Is a Computer Virus?

A computer virus is an ill-natured software application or authored code that can attach itself to other programs, self-replicate, and spread itself onto other devices. When executed, a virus modifies other computer programs by inserting its code into them. If the virus's replication is successful, the affected device is considered ...

Malware

Malware takes over computers without a user knowing. Malware, short for malicious software, is any software intentionally designed to cause damage to a computer. There are different kinds of malware that can hurt …

What Is A Computer Virus? | Norton

A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another. A virus operates by inserting or attaching …

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