This document discusses cyber security and cyber crimes in Bangladesh. It begins by defining cyber crimes according to various international organizations, such as the Council of Europe and the Cyber Crime Convention. Cyber crimes include illegal access to computer systems, illegal interception of data, data interference, and misuse of devices. The document then provides statistics on the frequency of cyber crimes. It outlines the key cybersecurity laws in Bangladesh, including the Information and Communication Technology Act of 2006, which defines various cyber crimes and punishments. The document discusses how the ICT Act addresses issues like hacking, computer damage, and publication of obscene digital content. It also summarizes provisions around cyber crimes in other laws like the Pornography Control Act of 2012.