Cybercrime refers to illegal activities that are committed using computers or the internet. It encompasses a wide range of offenses, including but not limited to: 1. **Hacking**: Unauthorized access to computer systems and networks, often to steal, alter, or destroy data. 2. **Malware**: The distribution and use of malicious software like viruses, worms, trojans, spyware, and ransomware to damage or gain unauthorized access to systems.