What is CESG?
CESG is the Information Assurance (IA) arm of GCHQ and is the Government's National Technical Authority for IA responsible for enabling secure and trusted knowledge sharing, which helps its customers achieve their aims.
What does CESG do?
Capitalising on the UK's SIGINT knowledge base, CESG helps to protect the nation's security and safety, and deny foreign SIGINT success.
CESG aims to protect and promote the vital interests of the UK by providing advice and assistance on the security of communications and electronic data. Its objective is to protect the communications and information of the government and other parts of the national information infrastructure, by developing technical means of countering assessed threats.
What is Information Assurance?
Information Assurance (IA) is the confidence that information systems will protect the information they handle and will function as they need to, when they need to, under the control of legitimate users. There are 5 key principles to IA:
CESG is responsible for enabling secure and trusted knowledge sharing to help Government and its agencies achieve their business aims.