Campaign initially reported on the leak in October.
True
data leak
Dentsu leak compromised LNER customer data
cybersecurity
data breach
data leak
Dentsu
merkle
Dentsu warns staff of data breach after Merkle hit by cyber 'security incident'
cybersecurity
data breach
data leak
Dentsu
merkle
Email to staff says information, including bank and payroll number, salary, National Insurance number, and personal contact details have been taken.