Cybersecurity deals with ensuring safety and security when online. It involves understanding threats on the internet like hacking, identity fraud, and cyberbullying. Some key aspects of cybersecurity discussed are the importance of safe browsing habits like being aware of dangers and how to avoid them. Additional tips provided are using private browsing, anonymous browsers, and virtual private networks to browse more securely and prevent tracking of personal information. Cybercrime is defined as any criminal offense that involves electronic devices or systems on the internet.