data leak
Nov 12, 2025
Dentsu leak compromised LNER customer data
Campaign initially reported on the leak in October.
Oct 28, 2025
Dentsu warns staff of data breach after Merkle hit by cyber 'security incident'
Email to staff says information, including bank and payroll number, salary, National Insurance number, and personal contact details have been taken.
Top news, insights and analysis every weekday
Sign up for Campaign Bulletins