Spyware is a malicious computer program that does exactly what its name implies-i.e., spies on you. After downloading itself onto your computer either through an email you opened, a website you visited, or a program you downloaded, spyware scans your hard drive for personal information and your internet browsing habits. Some spyware programs contain keyloggers that will record personal data you enter into websites, such as your login usernames and passwords, email addresses, browsing history, online buying habits, etc.

Answer:

Spyware is the software that, when downloaded on a computer, scans the hard drive for personal information and internet browsing habits. It is a type of malicious software designed to gather information about a user's activities without their knowledge or consent.

What is Spyware?
Spyware is a form of malware that secretly collects information about a user's browsing habits, keystrokes, and personal information. It is typically installed on a computer without the user's knowledge or consent and operates in the background, transmitting the collected data to a remote server.

How does Spyware work?
Spyware can be downloaded onto a computer through various means, such as malicious email attachments, infected websites, or bundled with legitimate software. Once installed, it runs silently in the background, often disguising itself as a legitimate program or process. It then monitors the user's activities, capturing sensitive information such as passwords, credit card numbers, and browsing history.

Key Features of Spyware:
Some key features of spyware include:

1. Stealth: Spyware operates stealthily, making it difficult for users to detect its presence on their computers.
2. Data Collection: Spyware collects various types of data, including browsing history, keystrokes, login credentials, and personal information.
3. Remote Access: Spyware allows the attacker to remotely access and control the infected computer, enabling them to carry out further malicious activities.
4. Information Theft: The primary purpose of spyware is to steal sensitive information from the user, which can be used for identity theft, financial fraud, or other malicious purposes.
5. Adware: Some spyware also displays unwanted and intrusive advertisements on the user's computer.

Protecting Against Spyware:
To protect against spyware, it is important to follow these best practices:

1. Use Antivirus Software: Install reputable antivirus software that includes spyware detection and removal capabilities.
2. Keep Software Updated: Regularly update your operating system and applications to ensure they have the latest security patches.
3. Exercise Caution: Be cautious when downloading files, opening email attachments, or clicking on suspicious links.
4. Use a Firewall: Enable a firewall to block unauthorized access to your computer.
5. Regularly Scan your System: Perform regular system scans to detect and remove any spyware or malware infections.

In conclusion, spyware is a malicious software that scans a computer's hard drive for personal information and internet browsing habits. It operates stealthily, collects sensitive data, and can be used for various malicious purposes. It is important to take preventive measures and use security software to protect against spyware infections.