Many supervisory authorities across Europe have reported
increasing numbers of data breach notifications since the
introduction of GDPR. While most companies are now familiar with
the 72-hour reporting obligation for controllers to supervisory
authorities, whether such obligation has been triggered continues
to present unique and complex questions in each specific security
event. To help aid companies sorting through these potential legal
notification obligations in the aftermath of a security event, the
EDPB recently released draft guidance,
which is open for comment until 2 March 2021.
The guidelines are intended to supplement the October 2017 general
guidance provided by the Article 29 Working Party, the
predecessor to the EDPB. The guidelines walk through 18 examples
covering the most common security event scenarios, including
ransomware attacks, data exfiltration attacks, human errors lost or
stolen devices and paper documents, "mispostal," and
social