National Security Authority (Czech: Národní bezpečnostní úřad, NBÚ) is a Czech government agency responsible for maintaining security clearances, protection of classified information and cyber security of the Czech Republic. NBÚ is also charged with protection of the Czech government communications and information systems against penetration and network warfare. More information...
According to PR-model, nbu.cz is ranked 1,657,528th in multilingual Wikipedia, in particular this website is ranked 25,080th in Czech Wikipedia.
The website is placed before imageidentify.com and after ruthcadburymp.co.uk in the BestRef global ranking of the most important sources of Wikipedia.
