Search results
Results from the WOW.Com Content Network
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network. The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible.
Tokenization is a non-mathematical approach that replaces sensitive data with non-sensitive substitutes without altering the type or length of data. This is an important distinction from encryption because changes in data length and type can render information unreadable in intermediate systems such as databases.
Hypertext Transfer Protocol Secure ( HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It uses encryption for secure communication over a computer network, and is widely used on the Internet. [ 1 ][ 2 ] In HTTPS, the communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL).
The United Kingdom Electronic Travel Authorisation ( ETA) is an advance travel permission required from foreign nationals who intend to visit or transit the United Kingdom without a visa. [ 1] The system, as part of the Nationality and Borders Act 2022, operates using an online application whose information is checked against security databases.
UK Visas and Immigration. UK Visas and Immigration ( UKVI) is a division of the Home Office responsible for the United Kingdom's visa system. It was formed in 2013 from the section of the UK Border Agency that had administered the visa system.
Server Name Indication. Server Name Indication ( SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [ 1] The extension allows a server to present one of multiple possible certificates on the ...
Mutual authentication or two-way authentication (not to be confused with two-factor authentication) refers to two parties authenticating each other at the same time in an authentication protocol. It is a default mode of authentication in some protocols ( IKE, SSH) and optional in others ( TLS ). Mutual authentication is a desired characteristic ...
Visa requirements for British citizens are administrative entry restrictions by the authorities of other states placed on citizens of the United Kingdom . As of 2024, British citizens had visa-free or visa on arrival access to 192 countries and territories, ranking the British passport 4th in the world according to the Henley Passport Index.