How can a viruses spread from one computer to another?

Viruses can spread from one computer to another through various means, including:

1. Infected files: Viruses can be attached to files, such as email attachments or downloads from the internet, and when these files are opened on another computer, the virus can spread.

2. Shared networks: Viruses can spread through shared networks, such as local area networks (LANs) or shared drives, where infected files can be accessed by multiple computers.

3. Removable media: Viruses can spread through removable media, such as USB drives or external hard drives, when infected files are transferred between computers.

4. Email attachments: Viruses can spread through email attachments, where an infected file is sent to multiple recipients and can be opened on different computers.

5. Exploiting vulnerabilities: Viruses can spread by exploiting vulnerabilities in software or operating systems, allowing them to infect multiple computers connected to the internet.

It is important to have up-to-date antivirus software and practice safe browsing habits to prevent the spread of viruses between computers.