2017DIN EN ISO/IEC 27001:2017 Information technology - Security techniques - Information security management systems - Requirements (ISO/IEC 27001:2013 including Cor 1:2014 and Cor 2:2015); German version EN ISO/IEC 27001:2017
2015DIN ISO/IEC 27001:2015 Information technology - Security techniques - Information security management systems - Requirements (ISO/IEC 27001:2013 + Cor. 1:2014)
2008DIN ISO/IEC 27001:2008 Information technology - Security techniques - Information security management systems - Requirements (ISO/IEC 27001:2005); English version of DIN ISO/IEC 27001:2008-09