Physical security in the context of "U-lock"

A colocation centre (also spelled co-location, or shortened to colo) or "carrier hotel", is a type of data centre where equipment, space, and bandwidth are available for rental to retail customers. Colocation facilities provide space, power, cooling, and physical security for the server, storage, and networking equipment of other firms and also connect them to a variety of telecommunications and network service providers with a minimum of cost and complexity. The term "carrier hotel" can refer to a data center focused on connecting customer and carrier networks together. Colocation centers often host private peering connections between their customers, internet transit providers, cloud providers, meet-me rooms for connecting customers together Internet exchange points, and landing points and terminal equipment for fiber optic submarine communication cables, connecting the internet, for example at the network access point known as NAP of the Americas, which connects many Latin American ISPs with networks in the US.

Reporters Without Borders (RWB; French: Reporters sans frontières; RSF) is an international non-profit and non-governmental organization headquartered in Paris, which focuses on safeguarding the right to freedom of information. It describes its advocacy as founded on the belief that everyone requires access to the news and information, in line with Article 19 of the Universal Declaration of Human Rights that recognises the right to receive and share information regardless of frontiers, along with other international rights charters. RSF has consultative status at the United Nations, UNESCO, the Council of Europe, and the International Organisation of the Francophonie.

RSF works on the ground in defence of individual journalists at risk and at the highest levels of government and international forums to defend the right to freedom of expression and information. It provides daily briefings and press releases on threats to media freedom in French, English, Spanish, Portuguese, Arabic, Persian and Chinese and publishes an annual press freedom round up, the World Press Freedom Index, that measures the state of media freedom in 180 countries. The organisation provides assistance to journalists at risk and training in digital and physical security, as well as campaigning to raise public awareness of abuse against journalists and to secure their safety and liberty. RSF lobbies governments and international bodies to adopt standards and legislation in support of media freedom and takes legal action in defence of journalists under threat. In addition, RSF keeps a yearly count of journalists killed on the job.

In physical security and information security, access control (AC) is the action of deciding whether a subject should be granted or denied access to an object (for example, a place or a resource). The act of accessing may mean consuming, entering, or using. It is often used interchangeably with authorization, although the authorization may be granted well in advance of the access control decision.

Access control on digital platforms is also termed admission control. The protection of external databases is essential to preserve digital security.