An Overview of Malware

What is the primary characteristic of malware?

• A type of software designed to improve system performance.

• Malicious software intended to cause harm or gain unauthorized access.

• Software used for secure data encryption.

• A tool for optimizing network traffic.

How do worms typically spread between computer systems?

• By requiring users to manually install them from trusted sources.

• Through physical media like USB drives only.

• By exploiting vulnerabilities to automatically propagate themselves.

• Only when a user clicks on a malicious email attachment.

What is the main objective of ransomware?

• To display unwanted advertisements on a user's screen.

• To steal personal data like keystrokes.

• To encrypt a user's data and demand payment for its decryption.

• To create a remote access backdoor for attackers.

What is a critical best practice for protecting against ransomware, particularly concerning data backups?

• Storing backups on the same computer as the original data for quick access.

• Ensuring backups are always connected to the network.

• Keeping an offline backup of important data.

• Only backing up system files, not personal documents.