The Athens Stock Exchange has implemented and applies an Information Security Management System in accordance with the ISO 27001:2013, applicable to:

"All services by the three companies (ATHEX, ATHEXClear and ATHEXCSD) of the Athens Exchange Group that concern: (a) the listing and trading of securities (stocks, bonds, ETFs) and derivatives in the Greek Capital Market and the facilitation of other markets (Cyprus Stock Exchange, Hellenic Energy Market), the flow of reports to the appropriate European authorities, the provision of data services, as well as the routing of trade orders on foreign market securities; (b) clearing services to counterparties; (c) the operation of the Hellenic Depository and related services (settlement, registry, tax services, investor services, corporate action services, reporting services, services for remote General Meetings); and (d) ancillary IT services, in particular the development and provision of software solutions for the capital market, co-location services and hosting, Infrastructure-as-a-service (IaaS) and Software-as-a-Service (SaaS)".