Provide a simple explanation of what malware is, its common types, and how it spreads.
Task: Explain the concept of malware. Context: Assume the audience is a general user with limited technical knowledge. Format: Provide a concise, easy-to-understand explanation, covering: 1. What malware is. 2. Common types (e.g., viruses, ransomware). 3. How it typically spreads. Style/Tone: Informative and accessible. Constraints: Keep the explanation under 200 words. Output Goals: Educate users on the basics of malicious software.