Communication between BT and ACS:Law were uncovered during the ACS:Law breach, possibly related to Operation PIAB. The BBC reports that the insecure transmission of customer data by BT violates the Data Protection Act

BT has admitted it sent the personal details of more than 500 customers as an unsecured document to legal firm ACS:Law, following a court order.

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A BT official admitted “unencrypted” personal data was sent, adding it “would not happen again”.