Data Privacy Compliance in the Cloud
Made Easy

Understand Cloud and Data Protection Law in only 4 easy steps. Plus highly relevant legal information for 33 countries. Provided by EuroCloud and 53 European lawyers.

Zepos & Yannopoulos

Zepos & Yannopoulos is a pioneer in Greece in data protection and cybersecurity issues and has developed significant expertise in this area for more than two decades. The dedicated practice of the law firm combines the solid knowledge of and exposure to cutting-edge privacy issues and a holistic and business-friendly approach to the needs of their clients. 

Zepos & Yannopoulos is regularly involved in state-of-the-art data protection projects, including products with AI capabilities, cloud computing, innovative applications and platforms, implementation of monitoring systems in the workplace and profiling activities. Also, the work of the team covers the usual regulatory compliance required under the GDPR and national law, the performance of data protection audits and privacy due diligence exercises and the management of personal data breaches. 

Furthermore, the team offers advice to cloud providers, online shops and other digital service providers on their increased obligations in relation to network and information security arising from the NIS Directive, the PSD2 Directive and other related legislation. 

Mary Deligianni


Mary Deligianni is the head of the data protection and cybersecurity practice of Zepos & Yannopoulos. 

Mary has extensive experience in advising on issues relating to data protection, cybersecurity and new technologies. She leads data privacy compliance programs, advises on the handling of data breach incidents, conducts risk assessment exercises, designs and implements data transfers outside the EU, drafts and negotiates complex data processing and outsourcing agreements, conducts privacy and security due diligence in connection with share and asset deals and delivers trainings to managers and employees on data protection compliance and data security. 

She regularly advises international and domestic clients on employment data protection issues, such as internal investigations, whistleblowing schemes and surveillance techniques, as well as on marketing campaigns and the operation of e-shops and smart apps. Her advice pertains to novel and complex issues on cloud-computing, connected devices and biometric databases, while she often interacts on issues of regulatory practice with the Hellenic Data Protection Authority. 

Mary is the author of several global publications on privacy, data protection and cybersecurity and she frequently participates as a speaker in international and local conferences.


53 lawyers from 33 countries are contributing to the project “Cloud Privacy Check (CPC)” in 26 different languages.

Understanding the complexity of current European data protection laws and regulations is already difficult enough for an IT engineer, buyer, or business user. In combination with the often small but nevertheless significant differences between various EU member states, however, it can become an almost insurmountable challenge without proper juristic accompaniment from the very start... Read More



The CPC is a trusted, not-for-profit international network of qualified professionals who deliver simplified and straight-forward guidance to help navigate the legal and regulatory environment relating to privacy and the cloud. This is done through collective know-how, research and market analysis gained from pan-European industry activity, collaboration and experience. Our mission is to provide authoritative views, information and practical solutions to two principal stakeholders: industry professionals and public authorities.