Data protection breach in e-mail use based on case studies
1st case CC instead of BCC
If you send an e-mail to several recipients and the recipients can see each other (CC and not BCC), this would be a data protection violation if the e-mails are not publicly discoverable with first and last name in the address.
Procedure:
Report data protection incident to competent data protection authority and apologize to recipients
2nd case the wrong recipient
When sending a E-mail with content containing personal data is a wrong recipient, a data protection violation.
Procedure:
Report data protection incident to the competent data protection authority, as well as apologize to recipients and data subjects.