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Computer viruses are malicious software programs designed to infiltrate and infect computer systems, causing damage and disruption to the system and its data. There are several ways in which computer viruses can be delivered to a system, including:
One of the most common ways viruses are delivered is through email attachments. Attackers can attach viruses to seemingly harmless files, such as documents or images, and send them to unsuspecting users. Once the attachment is downloaded and opened, the virus can infect the system.
Another common way viruses are delivered is through malicious links. Attackers can send links to infected websites, or embed them in emails or social media posts. When users click on the link, they are directed to a site that downloads the virus onto their system.
Viruses can also be delivered through software downloads. Attackers can create fake or infected software programs, which users download and install on their systems. Once the software is installed, the virus can infect the system.
Viruses can also be delivered through infected USB drives. Attackers can create infected files on the drive, which are then transferred to the system when the drive is plugged in.
Attackers can also exploit vulnerabilities in software or operating systems to deliver viruses. By exploiting security weaknesses, they can gain access to a system and install viruses without the user's knowledge.
To protect against these types of virus delivery methods, it is important to take precautions such as avoiding opening attachments or clicking on links from unknown or suspicious sources, using reputable antivirus software, and keeping software and operating systems up-to-date with the latest security patches. Additionally, users should always exercise caution when downloading software or plugging in USB drives, and should only do so from trusted sources. By being vigilant and taking these precautions, users can help reduce the risk of virus infection and keep their systems secure.