The present document reviews security methods provided by deployed standards used in the Smart Energy industry (e.g. IEC 62351 [i.7]@ IEC 62443 [i.8]) or mandated by regulation (e.g. Requirements from the German BSI for Smart Meter Gateways and Secure Element) as well as gaps identified by the Smart Grid Information Security group for the M/490 mandate@ in order to identify areas where ETSI may bring additional value@ e.g. by extending or harmonising security solutions where possible.