Bristol City Council has distributed the details of families with disabled children without their permission. This was not really a data breach more a data giveaway as the Council simply sent out an email to people asking for comments on their services and all the email details were readable to anyone who received or was forwarded the email.
Disabled children’s names revealed in Bristol City Council email – BBC News
Here is a case where better policies and procedures with better staff training and awareness would stopped this type of issues. Training and supporting your team in the correct use of tools forms a key part of good information security.