Viruses and malware are harmful software that can cause problems on your computer or other devices. They can steal your personal information, damage your files, or make your computer run slowly. In this lesson, you will learn about these threats and how to recognize them.

There are many types of viruses and malware, but some common ones include:

• Virus: A virus is a type of malware that can spread from one computer to another by attaching itself to files or programs.
• Worm: A worm is similar to a virus, but it can spread without any user action, like opening a file or clicking on a link.
• Trojan: A Trojan is a type of malware that pretends to be a useful program, but actually causes harm to your computer or steals your information.
• Ransomware: Ransomware is a type of malware that encrypts your files and demands a payment to unlock them.
• Adware: Adware is a type of malware that displays unwanted ads on your computer, often causing it to run slowly.

Viruses and malware can spread in many ways, such as:

• Downloading infected files or programs from the internet.
• Opening email attachments or clicking on links in emails from unknown sources.
• Using infected USB drives or other storage devices.
• Visiting unsafe websites.

It's important to be cautious when using the internet and downloading files to avoid accidentally getting a virus or malware on your computer.

Here are some tips to help protect your computer from viruses and malware:

• Use antivirus software and keep it up to date.
• Don't download files or programs from unknown sources.
• Be cautious when opening email attachments or clicking on links in emails.
• Keep your computer's operating system and software up to date with the latest security patches.
• Use strong passwords and change them regularly.
• Be cautious when using public Wi-Fi networks.