Wrongly sent emails 'most common data breach'

Emails being sent to incorrect recipients continued to be the most common type of data breach in Guernsey last year, according to a data breach authority.

The Office of the Data Protection Authority (ODPA) said it processed a total of 61 self-reported breaches in the fourth quarter of 2025, one less than in the third quarter.

The authority said, in most cases, an organisation became aware of the breach through their own employees suggesting "improved awareness from those handling personal data".

It said 12 of the breaches were classified as high-risk. Several were caused by people using personal email accounts to send or receive work-related information, it added.

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