This document discusses computer crimes and cybersecurity issues, with a focus on the human element. It provides definitions and examples of various computer crimes like computer fraud, internet fraud, and modernizing traditional crimes using computers. It also discusses social engineering frauds like pretexting and phishing. For cybersecurity, it covers topics such as firewalls, intrusion detection, denial of service attacks, malware, ransomware, and how to protect against threats. The overall message is that while technology plays a role, human behaviors and decisions are often the weak link exploited in crimes and attacks.