The Serviço de Informações de Segurança or SIS (Portuguese for: Security Information Service) is the Portuguese Intelligence and Secret Service agency founded in 1984. The function of SIS is to guarantee the internal security and prevent cyber attacks, sabotage, terrorism, espionage and the practice of acts which, by their nature, can change or destroy the Rule of Law as constitutionally established. More information...
According to PR-model, sis.pt is ranked 478,173rd in multilingual Wikipedia, in particular this website is ranked 359,005th in English Wikipedia.
The website is placed before panmunjomtour.com and after natursteinonline.de in the BestRef global ranking of the most important sources of Wikipedia.
