Irish DPC probing Twitter over breach affecting 5.4M users


The Irish Data Protection Commission (DPC) is investigating whether Twitter violated the European Union’s General Data Protection Regulation (GDPR) regarding a data breach alleged to have affected 5.4 million users.

The probe, announced Dec. 23, follows an exchange between the regulator and social media giant in relation to a security vulnerability disclosed by Twitter in August. The extent of apparent harm done amplified in November when media reports highlighted the posting of the user details for free on hacker forums.

The breached details reportedly included private information, such as phone numbers and email addresses.

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