The Budapest Convention on Cybercrime, also known as the Council of Europe Convention on Cybercrime, is an international treaty that addresses both cybercrime and electronic evidence. It was adopted in Budapest, Hungary in 2001 and came into force in 2004. The convention is considered to be the first international treaty on crimes committed via the internet and other computer networks.

The Budapest Convention is related to option 'B' - Cyber Security. It aims to harmonize national laws, improve investigative techniques, and enhance international cooperation in combating cybercrime. The convention provides a framework for countries to develop their own legislation and establish effective mechanisms for investigating and prosecuting cybercriminals.

Below are the key features and provisions of the Budapest Convention:

1. Definitions and Scope:
- The convention defines various forms of cybercrime, including offenses related to computer systems, data, and content.
- It covers a wide range of cybercrimes, such as illegal access, interception of data, system interference, computer-related fraud, child pornography, and copyright infringement.

2. Substantive Criminal Law:
- The convention requires participating countries to establish criminal offenses and penalties for cybercrimes in their domestic legislation.
- It promotes cooperation in combating cybercrimes by ensuring that certain offenses are recognized as criminal acts in all participating countries.

3. Procedural Law:
- The convention addresses procedural aspects of investigating and prosecuting cybercrimes.
- It includes provisions on search and seizure of computer data, collection and preservation of electronic evidence, and the protection of privacy and personal data.

4. International Cooperation:
- The convention emphasizes the importance of international cooperation in combating cybercrime.
- It establishes mechanisms for countries to cooperate through mutual legal assistance, extradition, and joint investigations.

5. Cybercrime Prevention:
- The convention encourages countries to enhance their efforts in preventing cybercrime by promoting awareness, education, and capacity-building initiatives.
- It emphasizes the importance of public-private partnerships and international cooperation in developing effective preventive measures.

In conclusion, the Budapest Convention on Cybercrime is a significant international treaty that addresses cybercrime and electronic evidence. It plays a crucial role in enhancing global cooperation and harmonizing laws to combat cyber threats.