This book constitutes the refereed proceedings of the 6th International Conference on Security Standardisation Research, SSR 2020, held in London, UK, in November 2020.*The papers cover a range of topics in the field of security standardisation research, including cryptographic evaluation, standards development, analysis with formal methods, potential future areas of standardisation, and improving existing standards. * The conference was held virtually due to the COVID-19 pandemic.

This book constitutes the refereed proceedings of the 6th International Conference on Security Standardisation Research, SSR 2020, held in London, UK, in November 2020.*The papers cover a range of topics in the field of security standardisation research, including cryptographic evaluation, standards development, analysis with formal methods, potential future areas of standardisation, and improving existing standards. * The conference was held virtually due to the COVID-19 pandemic.

This book constitutes the refereed proceedings of the 6th International Conference on Security Standardisation Research, SSR 2020, held in London, UK, in November 2020.*The papers cover a range of topics in the field of security standardisation research, including cryptographic evaluation, standards development, analysis with formal methods, potential future areas of standardisation, and improving existing standards. * The conference was held virtually due to the COVID-19 pandemic.