With regard to the performed analysis of the main attributes of the crime of espionage in its basic, autonomous and privileged forms in the Polish criminal regulations, and with regard to the comparative analysis of the Swedish criminal regulations, it should be concluded that: (1) the regulations penalising acts of espionage and acts directed against information protection (including acts termed “cyberterrorism”) need to be amended, (2) there is a need for systemic solutions as regards acts aimed against the state and information protection, (3) it is necessary to replace the attribute of “a foreign intelligence service” with the attribute of “a foreign state” or “a foreign authority,” i.e. it is necessary to introduce a solution that features in the Swedish, Serb and Croatian regulations, (4) it is necessary to change the privileged form as regards the extension of criminal liability to cover various forms of preparation for the crime of espionage, (5) it is necessary to change the privileged form of the crime of espionage as regards the attribute of “declaring a readiness to work for the benefit of a foreign intelligence service” so as to eliminate the doctrinal interpretation of the current legal solution, (6) it is necessary to introduce regulations penalising the very fact of declaring a readiness to act for the benefit of a foreign state against the Republic of Poland, (7) it is worth considering minimizing the significance of the term ‘damage’ in favour of case-law definition of a kind of information as the object of a crime, (8) following the solutions in the Swedish regulations, it is worth considering introducing specified forms of the crime of espionage in view of the violation of caution principles, although this might result in too high a degree of legislative restrictiveness, (9) following the solutions included in the Swedish regulations, it is worth considering introducing penalisation of various forms of intelligence activity as opposed to the crime of capital espionage, (10) following the solutions included in the Swedish regulations, it is worth introducing penalisation of various forms of foreign support, whereby acts which might be termed illegal financial assistance, illegal support for agents of influence, or illegal activities concerned with exerting influence on public opinion as regards matters of major relevance for the state.