completely secured or protected
полностью защищённый или охраняемый (polnostyu zashchyonniy ili okhranyaemiy)
"All confidential data is kept under lock and key."
"Вся конфиденциальная информация хранится под замком и ключом." (vsya konfidencialnaya informatsiya khranitcya pod zamkom i klyuchom)
to try to teach someone something that is difficult for them...
a feeling of uncertainty that spreads quickly
to stop being responsible for something
to make someone or something famous or well-known
to say exactly what you think
to secure or restrict access to something completely
