CESG (communications- Electronics Security Group) Listed Advisor Scheme
Launched in June 2015, Certified Cyber Security Consultancy CESG and CAS scheme replaced the CLAS. The CLAS were individual information assurance consultants who registered with CESG. Consultancy organisations will register through the Certified Cyber Security Consultancy CESG and CAS scheme. Once registered and approved with CESG, consultants may apply to be listed in the Crown Commercial Service supplier list.
CLAS consultancy was tailored to UK government organisations, executive agencies, related contractors and the public. CLAS consultants with a HMG security clearance had to provide information assurance advice on systems, including UK SECRET.