On October 18 and 21, 2022, the European Data Protection Board (“EDPB“) published updated guidelines (i) on personal data breach notification under the GDPR and (ii) on identifying a controller or processor’s lead supervisory authority, respectively. Both guidelines are in draft form and are open to public consultation until the end of November.

  • Guidelines on personal data breach notification (which we discussed in our previous blog post)

The EDPB changed the guidelines to clarify that controllers and processors not established in the EU that suffer a personal data breach affecting data subjects in several EU Member States have to notify all the supervisory authorities where the data subjects reside.  They cannot benefit from the GDPR’s “one-stop-shop”, which allows controllers and processors established in the EU to only notify the (lead) supervisory authority of the Member State where their main establishment is located.  Whether these rules can be effectively enforced, assuming they appear in the finalized guidance, is an open question and authorities may struggle to apply them in practice.

  • Guidelines on identifying a controller or processor’s lead supervisory authority

The EDPB changed the guidelines to clarify that joint controllers cannot have one common main establishment.  Each controller may have a main establishment and benefit from the “one-stop-shop”, but they cannot agree to have a combined main establishment and lead supervisory authority.  This means, for example, that if joint controllers suffer a data breach that is notifiable under the GDPR, each controller has to notify the data breach to their respective competent supervisory authority.


The Covington Privacy and Cyber team will keep monitoring the guidance released by the EDPB and is happy to assist with any inquiries on the topic. Please contact us if you would like to respond to the public consultation, or if you would like advance on the draft guidelines.

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Photo of Dan Cooper Dan Cooper

Daniel Cooper is co-chair of Covington’s Data Privacy and Cyber Security Practice, and advises clients on information technology regulatory and policy issues, particularly data protection, consumer protection, AI, and data security matters. He has over 20 years of experience in the field, representing…

Daniel Cooper is co-chair of Covington’s Data Privacy and Cyber Security Practice, and advises clients on information technology regulatory and policy issues, particularly data protection, consumer protection, AI, and data security matters. He has over 20 years of experience in the field, representing clients in regulatory proceedings before privacy authorities in Europe and counseling them on their global compliance and government affairs strategies. Dan regularly lectures on the topic, and was instrumental in drafting the privacy standards applied in professional sport.

According to Chambers UK, his “level of expertise is second to none, but it’s also equally paired with a keen understanding of our business and direction.” It was noted that “he is very good at calibrating and helping to gauge risk.”

Dan is qualified to practice law in the United States, the United Kingdom, Ireland and Belgium. He has also been appointed to the advisory and expert boards of privacy NGOs and agencies, such as Privacy International and the European security agency, ENISA.

Photo of Kristof Van Quathem Kristof Van Quathem

Kristof Van Quathem advises clients on data protection, data security and cybercrime matters in various sectors, and in particular in the pharmaceutical and information technology sector. Kristof has been specializing in this area for over fifteen years and covers the entire spectrum of…

Kristof Van Quathem advises clients on data protection, data security and cybercrime matters in various sectors, and in particular in the pharmaceutical and information technology sector. Kristof has been specializing in this area for over fifteen years and covers the entire spectrum of advising clients on government affairs strategies concerning the lawmaking, to compliance advice on the adopted laws regulations and guidelines, and the representation of clients in non-contentious and contentious matters before data protection authorities.

Photo of Anna Oberschelp de Meneses Anna Oberschelp de Meneses

Anna Sophia Oberschelp de Meneses is an associate in the Data Privacy and Cybersecurity Practice Group.  Anna is a qualified Portuguese lawyer, but is both a native Portuguese and German speaker.  Anna advises companies on European data protection law and helps clients coordinate…

Anna Sophia Oberschelp de Meneses is an associate in the Data Privacy and Cybersecurity Practice Group.  Anna is a qualified Portuguese lawyer, but is both a native Portuguese and German speaker.  Anna advises companies on European data protection law and helps clients coordinate international data protection law projects.  She has obtained a certificate for “corporate data protection officer” by the German Association for Data Protection and Data Security (“Gesellschaft für Datenschutz und Datensicherheit e.V.”). She is also Certified Information Privacy Professional Europe (CIPPE/EU) by the International Association of Privacy Professionals (IAPP).  Anna also advises companies in the field of EU consumer law and has been closely tracking the developments in this area.  Her extensive language skills allow her to monitor developments and help clients tackle EU Data Privacy, Cybersecurity and Consumer Law issues in various EU and ROW jurisdictions.

Diane Valat

Diane Valat is a Trainee who attended IE University in Madrid, Spain.