Regulation: Eu Cybersecurity Act – https://eur-lex.europa.eu/eli/reg/2019/881/oj
Standard: EU Cybersecurity Certification Framework – https://ec.europa.eu/digital-single-market/en/eu-cybersecurity-certification-framework
International Organization for Standard
Site: https://www.iso.org/home.html
ISO 27001: https://www.iso.org/isoiec-27001-information-security.html