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Computer virus
Definition:
A computer virus is a type of malicious software program that replicates itself by inserting copies of its code into other computer programs, data files, or the boot sector of the hard drive, with the potential to cause harm to a computer system by corrupting data, disrupting normal operations, or even rendering the system unusable.
The Concept of Computer Virus
A computer virus is a type of malicious software program that, when executed, replicates itself by modifying other computer programs and inserting its own code. It is often designed to spread from one computer to another and can cause various harmful effects, such as corrupting data, stealing personal information, or disrupting the normal operation of a system.
How Computer Viruses Work
Computer viruses can be spread through various means, including email attachments, infected software downloads, malicious websites, and removable media such as USB drives. Once a computer virus infects a system, it can execute its code and carry out its intended malicious actions.
Here are some common ways computer viruses can harm a system:
- Corrupting or deleting files
- Slowing down system performance
- Redirecting web browsers to malicious websites
- Stealing sensitive information such as passwords or financial data
- Encrypting files and demanding a ransom for decryption
Protecting Against Computer Viruses
To protect your computer from viruses, it is important to take the following precautions:
- Install reputable antivirus software and keep it up to date
- Avoid opening email attachments or clicking on links from unknown sources
- Be cautious when downloading software from the internet
- Regularly back up your important data
- Keep your operating system and software applications updated with the latest security patches
By taking these measures, you can reduce the risk of falling victim to a computer virus and protect your digital information and privacy.
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