^{[1] CER Directive (Draft): Directive of the European Parliament and of the Council on the Resilience of critical entities, 2020/0365 (COD), p.6}

^{[2] CER Directive (Draft): Directive of the European Parliament and of the Council on the Resilience of critical entities, 2020/0365 (COD), p.31}

^{[3] DIN SPEC 91461 Stress-testing resilience of critical infrastructures exposed to cyber-physical threats}