https should be safe as long as the padlock icon indicates that the certificate is correct. That proves that you're visiting the site that you believe you are. If you don't see it, you should be concerned.
https kiyala ena ek hadana deyak naha machan. https kiyalla enana oyage arakshawata oya https site walata gihila karana deval wala monvth kisima kankta mada edan usanna be oya https tiynna site walata gihilla karana hama deyak ma encrypt wela yanne. https tiyna eka hodai