Malware is a term used to describe a wide range of malicious software programs designed to infiltrate computer systems and networks. Some common types of malware include viruses, Trojans, spyware, ransomware, and adware.
Each type of malware behaves differently and can cause different types of damage to your computer and data. For example, viruses can replicate themselves and spread to other computers, while ransomware can encrypt your files and demand payment to restore access.