African Union Legal Instrument Page|5 Critical Cyber/ICT Infrastructure means the cyber infrastructure that is essential to vital services for public safety, economic stability, national security, international stability and for the sustainability and restoration of critical cyberspace; Cryptology activity means all such activity that seeks to produce, use, import, export or market cryptology tools; Cryptology means the science of protecting and securing information particularly for the purpose of ensuring confidentiality, authentication, integrity and non-repudiation; Cryptology tools means the range of scientific and technical tools (equipment or software) which allows for enciphering and/or deciphering; Cryptology service refers to any operation that seeks to implement cryptology facilities on behalf of oneself or another person; Cryptology services provider means any natural or legal person who provides cryptology services; Damage any impairment to the integrity or availability of data, a program, a system, or information; Data controller means any natural or legal person, public or private, any other organization or association which alone or jointly with others, decides to collect and process personal data and determines the purposes; Data subject means any natural person that is the subject of personal data processing; Direct marketing means the dispatch of any message that seeks to directly or indirectly promote the goods and services or the image of a person selling such goods or providing such services; it also refers to any solicitation carried out through message dispatch, regardless of the message base or nature, especially messages of a commercial, political or charitable nature, designed to promote, directly or indirectly, goods and services or the image of a person selling the goods or providing the services; Double criminality (dual criminality) means a crime punished in both the country where a suspect is being held and the country asking for the suspect to be handed over or transferred to; Electronic communication means any transmission of signs, signals, written material, pictures, sounds or messages of whatsoever nature, to the public or a section of the public by electronic or magnetic means of communication; Electronic Commerce (e-commerce): means the act of offering, buying, or providing goods and services via computer systems and telecommunications networks such as the Internet or any other network using electronic, optical or similar media for distance information exchange;